Home / 29,272.68-40,402.26-19,844.28

Finding the Fourth Proportional to 29,272.68, 40,402.26 and 19,844.28

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Solution

The fourth proportional to 29,272.68, 40,402.26 and 19,844.28 is: 27,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.68 : 40,402.26 = 19,844.28 : x
  2. Step 2: Convert to fraction form
    29,272.68/40,402.26 = 19,844.28/x
  3. Step 3: Cross multiply
    29,272.68x = 40,402.26 × 19,844.28
  4. Step 4: Simplify right side
    29,272.68x = 801,753,760.07
  5. Step 5: Solve for x
    x = 801,753,760.07/29,272.68
  6. Step 6: Final answer
    x = 27,389.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.