Home / 21,604.90-32,387.61-18,294.47

Finding the Fourth Proportional to 21,604.90, 32,387.61 and 18,294.47

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Solution

The fourth proportional to 21,604.90, 32,387.61 and 18,294.47 is: 27,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.90 : 32,387.61 = 18,294.47 : x
  2. Step 2: Convert to fraction form
    21,604.90/32,387.61 = 18,294.47/x
  3. Step 3: Cross multiply
    21,604.90x = 32,387.61 × 18,294.47
  4. Step 4: Simplify right side
    21,604.90x = 592,513,906.11
  5. Step 5: Solve for x
    x = 592,513,906.11/21,604.90
  6. Step 6: Final answer
    x = 27,424.98

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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.