Home / 57,697.32-86,511.06-28,085.52

Finding the Fourth Proportional to 57,697.32, 86,511.06 and 28,085.52

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Solution

The fourth proportional to 57,697.32, 86,511.06 and 28,085.52 is: 42,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,697.32 : 86,511.06 = 28,085.52 : x
  2. Step 2: Convert to fraction form
    57,697.32/86,511.06 = 28,085.52/x
  3. Step 3: Cross multiply
    57,697.32x = 86,511.06 × 28,085.52
  4. Step 4: Simplify right side
    57,697.32x = 2,429,708,105.85
  5. Step 5: Solve for x
    x = 2,429,708,105.85/57,697.32
  6. Step 6: Final answer
    x = 42,111.28

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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.