Home / 27,042.52-40,507.28-21,748.90

Finding the Fourth Proportional to 27,042.52, 40,507.28 and 21,748.90

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Solution

The fourth proportional to 27,042.52, 40,507.28 and 21,748.90 is: 32,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042.52 : 40,507.28 = 21,748.90 : x
  2. Step 2: Convert to fraction form
    27,042.52/40,507.28 = 21,748.90/x
  3. Step 3: Cross multiply
    27,042.52x = 40,507.28 × 21,748.90
  4. Step 4: Simplify right side
    27,042.52x = 880,988,781.99
  5. Step 5: Solve for x
    x = 880,988,781.99/27,042.52
  6. Step 6: Final answer
    x = 32,577.91

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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.