Home / 28,377.24-42,570.52-8,651.18

Finding the Fourth Proportional to 28,377.24, 42,570.52 and 8,651.18

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Solution

The fourth proportional to 28,377.24, 42,570.52 and 8,651.18 is: 12,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377.24 : 42,570.52 = 8,651.18 : x
  2. Step 2: Convert to fraction form
    28,377.24/42,570.52 = 8,651.18/x
  3. Step 3: Cross multiply
    28,377.24x = 42,570.52 × 8,651.18
  4. Step 4: Simplify right side
    28,377.24x = 368,285,257.11
  5. Step 5: Solve for x
    x = 368,285,257.11/28,377.24
  6. Step 6: Final answer
    x = 12,978.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.