Home / 25,618.68-38,428.20-8,089.92

Finding the Fourth Proportional to 25,618.68, 38,428.20 and 8,089.92

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Solution

The fourth proportional to 25,618.68, 38,428.20 and 8,089.92 is: 12,134.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.68 : 38,428.20 = 8,089.92 : x
  2. Step 2: Convert to fraction form
    25,618.68/38,428.20 = 8,089.92/x
  3. Step 3: Cross multiply
    25,618.68x = 38,428.20 × 8,089.92
  4. Step 4: Simplify right side
    25,618.68x = 310,881,063.74
  5. Step 5: Solve for x
    x = 310,881,063.74/25,618.68
  6. Step 6: Final answer
    x = 12,134.94

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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.