Home / 28,815.60-43,206.12-11,264.52

Finding the Fourth Proportional to 28,815.60, 43,206.12 and 11,264.52

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Solution

The fourth proportional to 28,815.60, 43,206.12 and 11,264.52 is: 16,890.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.60 : 43,206.12 = 11,264.52 : x
  2. Step 2: Convert to fraction form
    28,815.60/43,206.12 = 11,264.52/x
  3. Step 3: Cross multiply
    28,815.60x = 43,206.12 × 11,264.52
  4. Step 4: Simplify right side
    28,815.60x = 486,696,202.86
  5. Step 5: Solve for x
    x = 486,696,202.86/28,815.60
  6. Step 6: Final answer
    x = 16,890.02

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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.