Home / 57,979.24-86,981.25-17,997.35

Finding the Fourth Proportional to 57,979.24, 86,981.25 and 17,997.35

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Solution

The fourth proportional to 57,979.24, 86,981.25 and 17,997.35 is: 26,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979.24 : 86,981.25 = 17,997.35 : x
  2. Step 2: Convert to fraction form
    57,979.24/86,981.25 = 17,997.35/x
  3. Step 3: Cross multiply
    57,979.24x = 86,981.25 × 17,997.35
  4. Step 4: Simplify right side
    57,979.24x = 1,565,431,632.27
  5. Step 5: Solve for x
    x = 1,565,431,632.27/57,979.24
  6. Step 6: Final answer
    x = 26,999.87

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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.