Home / 28,830.68-43,247.84-12,188.52

Finding the Fourth Proportional to 28,830.68, 43,247.84 and 12,188.52

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Solution

The fourth proportional to 28,830.68, 43,247.84 and 12,188.52 is: 18,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830.68 : 43,247.84 = 12,188.52 : x
  2. Step 2: Convert to fraction form
    28,830.68/43,247.84 = 12,188.52/x
  3. Step 3: Cross multiply
    28,830.68x = 43,247.84 × 12,188.52
  4. Step 4: Simplify right side
    28,830.68x = 527,127,101.85
  5. Step 5: Solve for x
    x = 527,127,101.85/28,830.68
  6. Step 6: Final answer
    x = 18,283.55

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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.