Home / 28,526.20-42,791.76-7,466.15

Finding the Fourth Proportional to 28,526.20, 42,791.76 and 7,466.15

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Solution

The fourth proportional to 28,526.20, 42,791.76 and 7,466.15 is: 11,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.20 : 42,791.76 = 7,466.15 : x
  2. Step 2: Convert to fraction form
    28,526.20/42,791.76 = 7,466.15/x
  3. Step 3: Cross multiply
    28,526.20x = 42,791.76 × 7,466.15
  4. Step 4: Simplify right side
    28,526.20x = 319,489,805.90
  5. Step 5: Solve for x
    x = 319,489,805.90/28,526.20
  6. Step 6: Final answer
    x = 11,199.87

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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.