Home / 54,278.17-81,445.07-25,847.28

Finding the Fourth Proportional to 54,278.17, 81,445.07 and 25,847.28

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Solution

The fourth proportional to 54,278.17, 81,445.07 and 25,847.28 is: 38,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.17 : 81,445.07 = 25,847.28 : x
  2. Step 2: Convert to fraction form
    54,278.17/81,445.07 = 25,847.28/x
  3. Step 3: Cross multiply
    54,278.17x = 81,445.07 × 25,847.28
  4. Step 4: Simplify right side
    54,278.17x = 2,105,133,593.53
  5. Step 5: Solve for x
    x = 2,105,133,593.53/54,278.17
  6. Step 6: Final answer
    x = 38,784.17

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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.