Home / 26,671.29-39,963.11-9,131.55

Finding the Fourth Proportional to 26,671.29, 39,963.11 and 9,131.55

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Solution

The fourth proportional to 26,671.29, 39,963.11 and 9,131.55 is: 13,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,671.29 : 39,963.11 = 9,131.55 : x
  2. Step 2: Convert to fraction form
    26,671.29/39,963.11 = 9,131.55/x
  3. Step 3: Cross multiply
    26,671.29x = 39,963.11 × 9,131.55
  4. Step 4: Simplify right side
    26,671.29x = 364,925,091.46
  5. Step 5: Solve for x
    x = 364,925,091.46/26,671.29
  6. Step 6: Final answer
    x = 13,682.32

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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.