Home / 25,435.28-38,158.40-8,569.97

Finding the Fourth Proportional to 25,435.28, 38,158.40 and 8,569.97

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Solution

The fourth proportional to 25,435.28, 38,158.40 and 8,569.97 is: 12,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.28 : 38,158.40 = 8,569.97 : x
  2. Step 2: Convert to fraction form
    25,435.28/38,158.40 = 8,569.97/x
  3. Step 3: Cross multiply
    25,435.28x = 38,158.40 × 8,569.97
  4. Step 4: Simplify right side
    25,435.28x = 327,016,256.72
  5. Step 5: Solve for x
    x = 327,016,256.72/25,435.28
  6. Step 6: Final answer
    x = 12,856.80

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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.