Home / 25,517.58-38,282.65-8,877.76

Finding the Fourth Proportional to 25,517.58, 38,282.65 and 8,877.76

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Solution

The fourth proportional to 25,517.58, 38,282.65 and 8,877.76 is: 13,318.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,517.58 : 38,282.65 = 8,877.76 : x
  2. Step 2: Convert to fraction form
    25,517.58/38,282.65 = 8,877.76/x
  3. Step 3: Cross multiply
    25,517.58x = 38,282.65 × 8,877.76
  4. Step 4: Simplify right side
    25,517.58x = 339,864,094.25
  5. Step 5: Solve for x
    x = 339,864,094.25/25,517.58
  6. Step 6: Final answer
    x = 13,318.82

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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.