Home / 27,354.31-41,031.47-21,123.43

Finding the Fourth Proportional to 27,354.31, 41,031.47 and 21,123.43

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Solution

The fourth proportional to 27,354.31, 41,031.47 and 21,123.43 is: 31,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.31 : 41,031.47 = 21,123.43 : x
  2. Step 2: Convert to fraction form
    27,354.31/41,031.47 = 21,123.43/x
  3. Step 3: Cross multiply
    27,354.31x = 41,031.47 × 21,123.43
  4. Step 4: Simplify right side
    27,354.31x = 866,725,334.57
  5. Step 5: Solve for x
    x = 866,725,334.57/27,354.31
  6. Step 6: Final answer
    x = 31,685.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.