Home / 26,685.80-40,029.51-9,155.38

Finding the Fourth Proportional to 26,685.80, 40,029.51 and 9,155.38

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Solution

The fourth proportional to 26,685.80, 40,029.51 and 9,155.38 is: 13,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.80 : 40,029.51 = 9,155.38 : x
  2. Step 2: Convert to fraction form
    26,685.80/40,029.51 = 9,155.38/x
  3. Step 3: Cross multiply
    26,685.80x = 40,029.51 × 9,155.38
  4. Step 4: Simplify right side
    26,685.80x = 366,485,375.26
  5. Step 5: Solve for x
    x = 366,485,375.26/26,685.80
  6. Step 6: Final answer
    x = 13,733.35

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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.