Home / 28,799.55-43,195.68-12,151.22

Finding the Fourth Proportional to 28,799.55, 43,195.68 and 12,151.22

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Solution

The fourth proportional to 28,799.55, 43,195.68 and 12,151.22 is: 18,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.55 : 43,195.68 = 12,151.22 : x
  2. Step 2: Convert to fraction form
    28,799.55/43,195.68 = 12,151.22/x
  3. Step 3: Cross multiply
    28,799.55x = 43,195.68 × 12,151.22
  4. Step 4: Simplify right side
    28,799.55x = 524,879,994.75
  5. Step 5: Solve for x
    x = 524,879,994.75/28,799.55
  6. Step 6: Final answer
    x = 18,225.28

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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.