Home / 15,781.33-23,624.66-15,220.61

Finding the Fourth Proportional to 15,781.33, 23,624.66 and 15,220.61

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Solution

The fourth proportional to 15,781.33, 23,624.66 and 15,220.61 is: 22,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.33 : 23,624.66 = 15,220.61 : x
  2. Step 2: Convert to fraction form
    15,781.33/23,624.66 = 15,220.61/x
  3. Step 3: Cross multiply
    15,781.33x = 23,624.66 × 15,220.61
  4. Step 4: Simplify right side
    15,781.33x = 359,581,744.76
  5. Step 5: Solve for x
    x = 359,581,744.76/15,781.33
  6. Step 6: Final answer
    x = 22,785.26

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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.