Home / 57,807.57-86,719.61-17,829.92

Finding the Fourth Proportional to 57,807.57, 86,719.61 and 17,829.92

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Solution

The fourth proportional to 57,807.57, 86,719.61 and 17,829.92 is: 26,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807.57 : 86,719.61 = 17,829.92 : x
  2. Step 2: Convert to fraction form
    57,807.57/86,719.61 = 17,829.92/x
  3. Step 3: Cross multiply
    57,807.57x = 86,719.61 × 17,829.92
  4. Step 4: Simplify right side
    57,807.57x = 1,546,203,970.11
  5. Step 5: Solve for x
    x = 1,546,203,970.11/57,807.57
  6. Step 6: Final answer
    x = 26,747.43

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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.