Home / 28,694.28-39,596.40-16,118.76

Finding the Fourth Proportional to 28,694.28, 39,596.40 and 16,118.76

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Solution

The fourth proportional to 28,694.28, 39,596.40 and 16,118.76 is: 22,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694.28 : 39,596.40 = 16,118.76 : x
  2. Step 2: Convert to fraction form
    28,694.28/39,596.40 = 16,118.76/x
  3. Step 3: Cross multiply
    28,694.28x = 39,596.40 × 16,118.76
  4. Step 4: Simplify right side
    28,694.28x = 638,244,868.46
  5. Step 5: Solve for x
    x = 638,244,868.46/28,694.28
  6. Step 6: Final answer
    x = 22,242.93

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Double scale
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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.