Home / 25,690.52-38,512.43-9,885.47

Finding the Fourth Proportional to 25,690.52, 38,512.43 and 9,885.47

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Solution

The fourth proportional to 25,690.52, 38,512.43 and 9,885.47 is: 14,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.52 : 38,512.43 = 9,885.47 : x
  2. Step 2: Convert to fraction form
    25,690.52/38,512.43 = 9,885.47/x
  3. Step 3: Cross multiply
    25,690.52x = 38,512.43 × 9,885.47
  4. Step 4: Simplify right side
    25,690.52x = 380,713,592.39
  5. Step 5: Solve for x
    x = 380,713,592.39/25,690.52
  6. Step 6: Final answer
    x = 14,819.22

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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.