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Finding the Fourth Proportional to 29,266.40, 43,802.40 and 25,767.20

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Solution

The fourth proportional to 29,266.40, 43,802.40 and 25,767.20 is: 38,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.40 : 43,802.40 = 25,767.20 : x
  2. Step 2: Convert to fraction form
    29,266.40/43,802.40 = 25,767.20/x
  3. Step 3: Cross multiply
    29,266.40x = 43,802.40 × 25,767.20
  4. Step 4: Simplify right side
    29,266.40x = 1,128,665,201.28
  5. Step 5: Solve for x
    x = 1,128,665,201.28/29,266.40
  6. Step 6: Final answer
    x = 38,565.22

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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.