Home / 22,600.90-31,189.50-12,529.57

Finding the Fourth Proportional to 22,600.90, 31,189.50 and 12,529.57

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Solution

The fourth proportional to 22,600.90, 31,189.50 and 12,529.57 is: 17,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.90 : 31,189.50 = 12,529.57 : x
  2. Step 2: Convert to fraction form
    22,600.90/31,189.50 = 12,529.57/x
  3. Step 3: Cross multiply
    22,600.90x = 31,189.50 × 12,529.57
  4. Step 4: Simplify right side
    22,600.90x = 390,791,023.52
  5. Step 5: Solve for x
    x = 390,791,023.52/22,600.90
  6. Step 6: Final answer
    x = 17,290.95

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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.