Home / 22,125.60-30,572.19-17,685.99

Finding the Fourth Proportional to 22,125.60, 30,572.19 and 17,685.99

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Solution

The fourth proportional to 22,125.60, 30,572.19 and 17,685.99 is: 24,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.60 : 30,572.19 = 17,685.99 : x
  2. Step 2: Convert to fraction form
    22,125.60/30,572.19 = 17,685.99/x
  3. Step 3: Cross multiply
    22,125.60x = 30,572.19 × 17,685.99
  4. Step 4: Simplify right side
    22,125.60x = 540,699,446.62
  5. Step 5: Solve for x
    x = 540,699,446.62/22,125.60
  6. Step 6: Final answer
    x = 24,437.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.