Home / 27,845.46-38,424.24-15,908.76

Finding the Fourth Proportional to 27,845.46, 38,424.24 and 15,908.76

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Solution

The fourth proportional to 27,845.46, 38,424.24 and 15,908.76 is: 21,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.46 : 38,424.24 = 15,908.76 : x
  2. Step 2: Convert to fraction form
    27,845.46/38,424.24 = 15,908.76/x
  3. Step 3: Cross multiply
    27,845.46x = 38,424.24 × 15,908.76
  4. Step 4: Simplify right side
    27,845.46x = 611,282,012.34
  5. Step 5: Solve for x
    x = 611,282,012.34/27,845.46
  6. Step 6: Final answer
    x = 21,952.66

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Half scale
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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.