Home / 26,616.31-36,732.33-15,438.31

Finding the Fourth Proportional to 26,616.31, 36,732.33 and 15,438.31

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Solution

The fourth proportional to 26,616.31, 36,732.33 and 15,438.31 is: 21,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.31 : 36,732.33 = 15,438.31 : x
  2. Step 2: Convert to fraction form
    26,616.31/36,732.33 = 15,438.31/x
  3. Step 3: Cross multiply
    26,616.31x = 36,732.33 × 15,438.31
  4. Step 4: Simplify right side
    26,616.31x = 567,085,005.73
  5. Step 5: Solve for x
    x = 567,085,005.73/26,616.31
  6. Step 6: Final answer
    x = 21,305.92

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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.