Home / 28,542.53-39,382.79-19,586.76

Finding the Fourth Proportional to 28,542.53, 39,382.79 and 19,586.76

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Solution

The fourth proportional to 28,542.53, 39,382.79 and 19,586.76 is: 27,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.53 : 39,382.79 = 19,586.76 : x
  2. Step 2: Convert to fraction form
    28,542.53/39,382.79 = 19,586.76/x
  3. Step 3: Cross multiply
    28,542.53x = 39,382.79 × 19,586.76
  4. Step 4: Simplify right side
    28,542.53x = 771,381,157.93
  5. Step 5: Solve for x
    x = 771,381,157.93/28,542.53
  6. Step 6: Final answer
    x = 27,025.68

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Half scale
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Double scale
Find fourth proportional to 28,543.53, 39,384.16 and 19,587.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.