Home / 25,642.04-38,439.30-13,134.53

Finding the Fourth Proportional to 25,642.04, 38,439.30 and 13,134.53

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Solution

The fourth proportional to 25,642.04, 38,439.30 and 13,134.53 is: 19,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642.04 : 38,439.30 = 13,134.53 : x
  2. Step 2: Convert to fraction form
    25,642.04/38,439.30 = 13,134.53/x
  3. Step 3: Cross multiply
    25,642.04x = 38,439.30 × 13,134.53
  4. Step 4: Simplify right side
    25,642.04x = 504,882,139.03
  5. Step 5: Solve for x
    x = 504,882,139.03/25,642.04
  6. Step 6: Final answer
    x = 19,689.62

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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.