Home / 15,022.80-22,536.90-5,159.52

Finding the Fourth Proportional to 15,022.80, 22,536.90 and 5,159.52

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Solution

The fourth proportional to 15,022.80, 22,536.90 and 5,159.52 is: 7,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.80 : 22,536.90 = 5,159.52 : x
  2. Step 2: Convert to fraction form
    15,022.80/22,536.90 = 5,159.52/x
  3. Step 3: Cross multiply
    15,022.80x = 22,536.90 × 5,159.52
  4. Step 4: Simplify right side
    15,022.80x = 116,279,586.29
  5. Step 5: Solve for x
    x = 116,279,586.29/15,022.80
  6. Step 6: Final answer
    x = 7,740.21

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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.