Home / 26,684.20-39,987.42-15,000.76

Finding the Fourth Proportional to 26,684.20, 39,987.42 and 15,000.76

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Solution

The fourth proportional to 26,684.20, 39,987.42 and 15,000.76 is: 22,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,684.20 : 39,987.42 = 15,000.76 : x
  2. Step 2: Convert to fraction form
    26,684.20/39,987.42 = 15,000.76/x
  3. Step 3: Cross multiply
    26,684.20x = 39,987.42 × 15,000.76
  4. Step 4: Simplify right side
    26,684.20x = 599,841,690.44
  5. Step 5: Solve for x
    x = 599,841,690.44/26,684.20
  6. Step 6: Final answer
    x = 22,479.28

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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.