Home / 26,657.72-39,959.82-9,115.55

Finding the Fourth Proportional to 26,657.72, 39,959.82 and 9,115.55

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Solution

The fourth proportional to 26,657.72, 39,959.82 and 9,115.55 is: 13,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.72 : 39,959.82 = 9,115.55 : x
  2. Step 2: Convert to fraction form
    26,657.72/39,959.82 = 9,115.55/x
  3. Step 3: Cross multiply
    26,657.72x = 39,959.82 × 9,115.55
  4. Step 4: Simplify right side
    26,657.72x = 364,255,737.20
  5. Step 5: Solve for x
    x = 364,255,737.20/26,657.72
  6. Step 6: Final answer
    x = 13,664.17

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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.