Home / 57,856.26-86,723.64-28,233.35

Finding the Fourth Proportional to 57,856.26, 86,723.64 and 28,233.35

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Solution

The fourth proportional to 57,856.26, 86,723.64 and 28,233.35 is: 42,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,856.26 : 86,723.64 = 28,233.35 : x
  2. Step 2: Convert to fraction form
    57,856.26/86,723.64 = 28,233.35/x
  3. Step 3: Cross multiply
    57,856.26x = 86,723.64 × 28,233.35
  4. Step 4: Simplify right side
    57,856.26x = 2,448,498,447.78
  5. Step 5: Solve for x
    x = 2,448,498,447.78/57,856.26
  6. Step 6: Final answer
    x = 42,320.37

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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.