Home / 17,885.40-26,856.18-15,147.96

Finding the Fourth Proportional to 17,885.40, 26,856.18 and 15,147.96

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Solution

The fourth proportional to 17,885.40, 26,856.18 and 15,147.96 is: 22,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885.40 : 26,856.18 = 15,147.96 : x
  2. Step 2: Convert to fraction form
    17,885.40/26,856.18 = 15,147.96/x
  3. Step 3: Cross multiply
    17,885.40x = 26,856.18 × 15,147.96
  4. Step 4: Simplify right side
    17,885.40x = 406,816,340.39
  5. Step 5: Solve for x
    x = 406,816,340.39/17,885.40
  6. Step 6: Final answer
    x = 22,745.72

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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.