Home / 27,354.18-41,031.29-21,123.30

Finding the Fourth Proportional to 27,354.18, 41,031.29 and 21,123.30

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Solution

The fourth proportional to 27,354.18, 41,031.29 and 21,123.30 is: 31,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.18 : 41,031.29 = 21,123.30 : x
  2. Step 2: Convert to fraction form
    27,354.18/41,031.29 = 21,123.30/x
  3. Step 3: Cross multiply
    27,354.18x = 41,031.29 × 21,123.30
  4. Step 4: Simplify right side
    27,354.18x = 866,716,248.06
  5. Step 5: Solve for x
    x = 866,716,248.06/27,354.18
  6. Step 6: Final answer
    x = 31,684.97

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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.