Home / 57,426.41-86,139.62-17,986.61

Finding the Fourth Proportional to 57,426.41, 86,139.62 and 17,986.61

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Solution

The fourth proportional to 57,426.41, 86,139.62 and 17,986.61 is: 26,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,426.41 : 86,139.62 = 17,986.61 : x
  2. Step 2: Convert to fraction form
    57,426.41/86,139.62 = 17,986.61/x
  3. Step 3: Cross multiply
    57,426.41x = 86,139.62 × 17,986.61
  4. Step 4: Simplify right side
    57,426.41x = 1,549,359,750.49
  5. Step 5: Solve for x
    x = 1,549,359,750.49/57,426.41
  6. Step 6: Final answer
    x = 26,979.92

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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.