Home / 21,711.90-32,572.98-17,286.30

Finding the Fourth Proportional to 21,711.90, 32,572.98 and 17,286.30

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Solution

The fourth proportional to 21,711.90, 32,572.98 and 17,286.30 is: 25,933.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711.90 : 32,572.98 = 17,286.30 : x
  2. Step 2: Convert to fraction form
    21,711.90/32,572.98 = 17,286.30/x
  3. Step 3: Cross multiply
    21,711.90x = 32,572.98 × 17,286.30
  4. Step 4: Simplify right side
    21,711.90x = 563,066,304.17
  5. Step 5: Solve for x
    x = 563,066,304.17/21,711.90
  6. Step 6: Final answer
    x = 25,933.53

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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.