Home / 25,162.80-34,719.48-15,088.56

Finding the Fourth Proportional to 25,162.80, 34,719.48 and 15,088.56

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Solution

The fourth proportional to 25,162.80, 34,719.48 and 15,088.56 is: 20,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.80 : 34,719.48 = 15,088.56 : x
  2. Step 2: Convert to fraction form
    25,162.80/34,719.48 = 15,088.56/x
  3. Step 3: Cross multiply
    25,162.80x = 34,719.48 × 15,088.56
  4. Step 4: Simplify right side
    25,162.80x = 523,866,957.15
  5. Step 5: Solve for x
    x = 523,866,957.15/25,162.80
  6. Step 6: Final answer
    x = 20,819.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.