Home / 39,092.64-53,970.96-25,687.36

Finding the Fourth Proportional to 39,092.64, 53,970.96 and 25,687.36

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Solution

The fourth proportional to 39,092.64, 53,970.96 and 25,687.36 is: 35,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,092.64 : 53,970.96 = 25,687.36 : x
  2. Step 2: Convert to fraction form
    39,092.64/53,970.96 = 25,687.36/x
  3. Step 3: Cross multiply
    39,092.64x = 53,970.96 × 25,687.36
  4. Step 4: Simplify right side
    39,092.64x = 1,386,371,479.07
  5. Step 5: Solve for x
    x = 1,386,371,479.07/39,092.64
  6. Step 6: Final answer
    x = 35,463.75

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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.