Home / 28,998.60-43,542.45-15,876.60

Finding the Fourth Proportional to 28,998.60, 43,542.45 and 15,876.60

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Solution

The fourth proportional to 28,998.60, 43,542.45 and 15,876.60 is: 23,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.60 : 43,542.45 = 15,876.60 : x
  2. Step 2: Convert to fraction form
    28,998.60/43,542.45 = 15,876.60/x
  3. Step 3: Cross multiply
    28,998.60x = 43,542.45 × 15,876.60
  4. Step 4: Simplify right side
    28,998.60x = 691,306,061.67
  5. Step 5: Solve for x
    x = 691,306,061.67/28,998.60
  6. Step 6: Final answer
    x = 23,839.29

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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.