Home / 28,713.48-43,061.90-11,179.40

Finding the Fourth Proportional to 28,713.48, 43,061.90 and 11,179.40

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Solution

The fourth proportional to 28,713.48, 43,061.90 and 11,179.40 is: 16,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.48 : 43,061.90 = 11,179.40 : x
  2. Step 2: Convert to fraction form
    28,713.48/43,061.90 = 11,179.40/x
  3. Step 3: Cross multiply
    28,713.48x = 43,061.90 × 11,179.40
  4. Step 4: Simplify right side
    28,713.48x = 481,406,204.86
  5. Step 5: Solve for x
    x = 481,406,204.86/28,713.48
  6. Step 6: Final answer
    x = 16,765.86

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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.