Home / 25,459.77-38,195.06-7,691.76

Finding the Fourth Proportional to 25,459.77, 38,195.06 and 7,691.76

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Solution

The fourth proportional to 25,459.77, 38,195.06 and 7,691.76 is: 11,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,459.77 : 38,195.06 = 7,691.76 : x
  2. Step 2: Convert to fraction form
    25,459.77/38,195.06 = 7,691.76/x
  3. Step 3: Cross multiply
    25,459.77x = 38,195.06 × 7,691.76
  4. Step 4: Simplify right side
    25,459.77x = 293,787,234.71
  5. Step 5: Solve for x
    x = 293,787,234.71/25,459.77
  6. Step 6: Final answer
    x = 11,539.27

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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.