Home / 28,300.07-42,456.24-8,580.17

Finding the Fourth Proportional to 28,300.07, 42,456.24 and 8,580.17

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Solution

The fourth proportional to 28,300.07, 42,456.24 and 8,580.17 is: 12,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.07 : 42,456.24 = 8,580.17 : x
  2. Step 2: Convert to fraction form
    28,300.07/42,456.24 = 8,580.17/x
  3. Step 3: Cross multiply
    28,300.07x = 42,456.24 × 8,580.17
  4. Step 4: Simplify right side
    28,300.07x = 364,281,544.48
  5. Step 5: Solve for x
    x = 364,281,544.48/28,300.07
  6. Step 6: Final answer
    x = 12,872.11

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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.