Home / 26,152.80-39,233.04-8,618.40

Finding the Fourth Proportional to 26,152.80, 39,233.04 and 8,618.40

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Solution

The fourth proportional to 26,152.80, 39,233.04 and 8,618.40 is: 12,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,152.80 : 39,233.04 = 8,618.40 : x
  2. Step 2: Convert to fraction form
    26,152.80/39,233.04 = 8,618.40/x
  3. Step 3: Cross multiply
    26,152.80x = 39,233.04 × 8,618.40
  4. Step 4: Simplify right side
    26,152.80x = 338,126,031.94
  5. Step 5: Solve for x
    x = 338,126,031.94/26,152.80
  6. Step 6: Final answer
    x = 12,928.87

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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.