Home / 26,781.71-40,174.56-9,012.41

Finding the Fourth Proportional to 26,781.71, 40,174.56 and 9,012.41

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Solution

The fourth proportional to 26,781.71, 40,174.56 and 9,012.41 is: 13,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.71 : 40,174.56 = 9,012.41 : x
  2. Step 2: Convert to fraction form
    26,781.71/40,174.56 = 9,012.41/x
  3. Step 3: Cross multiply
    26,781.71x = 40,174.56 × 9,012.41
  4. Step 4: Simplify right side
    26,781.71x = 362,069,606.29
  5. Step 5: Solve for x
    x = 362,069,606.29/26,781.71
  6. Step 6: Final answer
    x = 13,519.29

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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.