Home / 22,125.80-33,140.10-15,516.20

Finding the Fourth Proportional to 22,125.80, 33,140.10 and 15,516.20

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Solution

The fourth proportional to 22,125.80, 33,140.10 and 15,516.20 is: 23,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.80 : 33,140.10 = 15,516.20 : x
  2. Step 2: Convert to fraction form
    22,125.80/33,140.10 = 15,516.20/x
  3. Step 3: Cross multiply
    22,125.80x = 33,140.10 × 15,516.20
  4. Step 4: Simplify right side
    22,125.80x = 514,208,419.62
  5. Step 5: Solve for x
    x = 514,208,419.62/22,125.80
  6. Step 6: Final answer
    x = 23,240.22

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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.