Home / 57,726.24-86,594.28-20,283.06

Finding the Fourth Proportional to 57,726.24, 86,594.28 and 20,283.06

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Solution

The fourth proportional to 57,726.24, 86,594.28 and 20,283.06 is: 30,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726.24 : 86,594.28 = 20,283.06 : x
  2. Step 2: Convert to fraction form
    57,726.24/86,594.28 = 20,283.06/x
  3. Step 3: Cross multiply
    57,726.24x = 86,594.28 × 20,283.06
  4. Step 4: Simplify right side
    57,726.24x = 1,756,396,976.90
  5. Step 5: Solve for x
    x = 1,756,396,976.90/57,726.24
  6. Step 6: Final answer
    x = 30,426.32

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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.