Home / 25,387.50-38,072.88-8,747.16

Finding the Fourth Proportional to 25,387.50, 38,072.88 and 8,747.16

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Solution

The fourth proportional to 25,387.50, 38,072.88 and 8,747.16 is: 13,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.50 : 38,072.88 = 8,747.16 : x
  2. Step 2: Convert to fraction form
    25,387.50/38,072.88 = 8,747.16/x
  3. Step 3: Cross multiply
    25,387.50x = 38,072.88 × 8,747.16
  4. Step 4: Simplify right side
    25,387.50x = 333,029,573.02
  5. Step 5: Solve for x
    x = 333,029,573.02/25,387.50
  6. Step 6: Final answer
    x = 13,117.86

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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.