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Finding the Fourth Proportional to 25,377.30, 38,065.95 and 8,756.10

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Solution

The fourth proportional to 25,377.30, 38,065.95 and 8,756.10 is: 13,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,377.30 : 38,065.95 = 8,756.10 : x
  2. Step 2: Convert to fraction form
    25,377.30/38,065.95 = 8,756.10/x
  3. Step 3: Cross multiply
    25,377.30x = 38,065.95 × 8,756.10
  4. Step 4: Simplify right side
    25,377.30x = 333,309,264.80
  5. Step 5: Solve for x
    x = 333,309,264.80/25,377.30
  6. Step 6: Final answer
    x = 13,134.15

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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.