Home / 28,770.11-43,161.95-9,048.66

Finding the Fourth Proportional to 28,770.11, 43,161.95 and 9,048.66

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Solution

The fourth proportional to 28,770.11, 43,161.95 and 9,048.66 is: 13,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.11 : 43,161.95 = 9,048.66 : x
  2. Step 2: Convert to fraction form
    28,770.11/43,161.95 = 9,048.66/x
  3. Step 3: Cross multiply
    28,770.11x = 43,161.95 × 9,048.66
  4. Step 4: Simplify right side
    28,770.11x = 390,557,765.24
  5. Step 5: Solve for x
    x = 390,557,765.24/28,770.11
  6. Step 6: Final answer
    x = 13,575.12

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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.