Home / 26,344.31-39,508.38-13,857.55

Finding the Fourth Proportional to 26,344.31, 39,508.38 and 13,857.55

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Solution

The fourth proportional to 26,344.31, 39,508.38 and 13,857.55 is: 20,782.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,344.31 : 39,508.38 = 13,857.55 : x
  2. Step 2: Convert to fraction form
    26,344.31/39,508.38 = 13,857.55/x
  3. Step 3: Cross multiply
    26,344.31x = 39,508.38 × 13,857.55
  4. Step 4: Simplify right side
    26,344.31x = 547,489,252.50
  5. Step 5: Solve for x
    x = 547,489,252.50/26,344.31
  6. Step 6: Final answer
    x = 20,782.07

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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.