Home / 28,061.90-42,097.92-8,070.44

Finding the Fourth Proportional to 28,061.90, 42,097.92 and 8,070.44

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Solution

The fourth proportional to 28,061.90, 42,097.92 and 8,070.44 is: 12,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.90 : 42,097.92 = 8,070.44 : x
  2. Step 2: Convert to fraction form
    28,061.90/42,097.92 = 8,070.44/x
  3. Step 3: Cross multiply
    28,061.90x = 42,097.92 × 8,070.44
  4. Step 4: Simplify right side
    28,061.90x = 339,748,737.48
  5. Step 5: Solve for x
    x = 339,748,737.48/28,061.90
  6. Step 6: Final answer
    x = 12,107.12

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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.