Home / 26,187.64-39,287.61-8,657.47

Finding the Fourth Proportional to 26,187.64, 39,287.61 and 8,657.47

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Solution

The fourth proportional to 26,187.64, 39,287.61 and 8,657.47 is: 12,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.64 : 39,287.61 = 8,657.47 : x
  2. Step 2: Convert to fraction form
    26,187.64/39,287.61 = 8,657.47/x
  3. Step 3: Cross multiply
    26,187.64x = 39,287.61 × 8,657.47
  4. Step 4: Simplify right side
    26,187.64x = 340,131,304.95
  5. Step 5: Solve for x
    x = 340,131,304.95/26,187.64
  6. Step 6: Final answer
    x = 12,988.24

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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.