Home / 25,427.76-38,108.52-12,253.20

Finding the Fourth Proportional to 25,427.76, 38,108.52 and 12,253.20

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Solution

The fourth proportional to 25,427.76, 38,108.52 and 12,253.20 is: 18,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427.76 : 38,108.52 = 12,253.20 : x
  2. Step 2: Convert to fraction form
    25,427.76/38,108.52 = 12,253.20/x
  3. Step 3: Cross multiply
    25,427.76x = 38,108.52 × 12,253.20
  4. Step 4: Simplify right side
    25,427.76x = 466,951,317.26
  5. Step 5: Solve for x
    x = 466,951,317.26/25,427.76
  6. Step 6: Final answer
    x = 18,363.84

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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.