Home / 28,527.18-42,791.98-8,805.30

Finding the Fourth Proportional to 28,527.18, 42,791.98 and 8,805.30

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Solution

The fourth proportional to 28,527.18, 42,791.98 and 8,805.30 is: 13,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.18 : 42,791.98 = 8,805.30 : x
  2. Step 2: Convert to fraction form
    28,527.18/42,791.98 = 8,805.30/x
  3. Step 3: Cross multiply
    28,527.18x = 42,791.98 × 8,805.30
  4. Step 4: Simplify right side
    28,527.18x = 376,796,221.49
  5. Step 5: Solve for x
    x = 376,796,221.49/28,527.18
  6. Step 6: Final answer
    x = 13,208.32

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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.