Home / 38,428.88-57,612.02-25,791.66

Finding the Fourth Proportional to 38,428.88, 57,612.02 and 25,791.66

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Solution

The fourth proportional to 38,428.88, 57,612.02 and 25,791.66 is: 38,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.88 : 57,612.02 = 25,791.66 : x
  2. Step 2: Convert to fraction form
    38,428.88/57,612.02 = 25,791.66/x
  3. Step 3: Cross multiply
    38,428.88x = 57,612.02 × 25,791.66
  4. Step 4: Simplify right side
    38,428.88x = 1,485,909,502.79
  5. Step 5: Solve for x
    x = 1,485,909,502.79/38,428.88
  6. Step 6: Final answer
    x = 38,666.48

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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.