Home / 26,124.60-39,129.30-15,718.20

Finding the Fourth Proportional to 26,124.60, 39,129.30 and 15,718.20

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Solution

The fourth proportional to 26,124.60, 39,129.30 and 15,718.20 is: 23,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,124.60 : 39,129.30 = 15,718.20 : x
  2. Step 2: Convert to fraction form
    26,124.60/39,129.30 = 15,718.20/x
  3. Step 3: Cross multiply
    26,124.60x = 39,129.30 × 15,718.20
  4. Step 4: Simplify right side
    26,124.60x = 615,042,163.26
  5. Step 5: Solve for x
    x = 615,042,163.26/26,124.60
  6. Step 6: Final answer
    x = 23,542.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.