Home / 26,778.25-40,139.52-8,995.71

Finding the Fourth Proportional to 26,778.25, 40,139.52 and 8,995.71

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Solution

The fourth proportional to 26,778.25, 40,139.52 and 8,995.71 is: 13,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.25 : 40,139.52 = 8,995.71 : x
  2. Step 2: Convert to fraction form
    26,778.25/40,139.52 = 8,995.71/x
  3. Step 3: Cross multiply
    26,778.25x = 40,139.52 × 8,995.71
  4. Step 4: Simplify right side
    26,778.25x = 361,083,598.25
  5. Step 5: Solve for x
    x = 361,083,598.25/26,778.25
  6. Step 6: Final answer
    x = 13,484.21

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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.