Home / 26,587.31-36,687.10-15,257.29

Finding the Fourth Proportional to 26,587.31, 36,687.10 and 15,257.29

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Solution

The fourth proportional to 26,587.31, 36,687.10 and 15,257.29 is: 21,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.31 : 36,687.10 = 15,257.29 : x
  2. Step 2: Convert to fraction form
    26,587.31/36,687.10 = 15,257.29/x
  3. Step 3: Cross multiply
    26,587.31x = 36,687.10 × 15,257.29
  4. Step 4: Simplify right side
    26,587.31x = 559,745,723.96
  5. Step 5: Solve for x
    x = 559,745,723.96/26,587.31
  6. Step 6: Final answer
    x = 21,053.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.