Home / 25,817.17-38,721.49-8,284.72

Finding the Fourth Proportional to 25,817.17, 38,721.49 and 8,284.72

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Solution

The fourth proportional to 25,817.17, 38,721.49 and 8,284.72 is: 12,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,817.17 : 38,721.49 = 8,284.72 : x
  2. Step 2: Convert to fraction form
    25,817.17/38,721.49 = 8,284.72/x
  3. Step 3: Cross multiply
    25,817.17x = 38,721.49 × 8,284.72
  4. Step 4: Simplify right side
    25,817.17x = 320,796,702.63
  5. Step 5: Solve for x
    x = 320,796,702.63/25,817.17
  6. Step 6: Final answer
    x = 12,425.71

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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.