Home / 22,151.10-33,220.71-15,129.92

Finding the Fourth Proportional to 22,151.10, 33,220.71 and 15,129.92

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Solution

The fourth proportional to 22,151.10, 33,220.71 and 15,129.92 is: 22,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.10 : 33,220.71 = 15,129.92 : x
  2. Step 2: Convert to fraction form
    22,151.10/33,220.71 = 15,129.92/x
  3. Step 3: Cross multiply
    22,151.10x = 33,220.71 × 15,129.92
  4. Step 4: Simplify right side
    22,151.10x = 502,626,518.54
  5. Step 5: Solve for x
    x = 502,626,518.54/22,151.10
  6. Step 6: Final answer
    x = 22,690.82

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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.