Home / 25,585.38-38,378.08-12,426.48

Finding the Fourth Proportional to 25,585.38, 38,378.08 and 12,426.48

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Solution

The fourth proportional to 25,585.38, 38,378.08 and 12,426.48 is: 18,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,585.38 : 38,378.08 = 12,426.48 : x
  2. Step 2: Convert to fraction form
    25,585.38/38,378.08 = 12,426.48/x
  3. Step 3: Cross multiply
    25,585.38x = 38,378.08 × 12,426.48
  4. Step 4: Simplify right side
    25,585.38x = 476,904,443.56
  5. Step 5: Solve for x
    x = 476,904,443.56/25,585.38
  6. Step 6: Final answer
    x = 18,639.72

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Similar ratio
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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.