Home / 27,149.90-40,730.28-9,381.21

Finding the Fourth Proportional to 27,149.90, 40,730.28 and 9,381.21

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Solution

The fourth proportional to 27,149.90, 40,730.28 and 9,381.21 is: 14,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,149.90 : 40,730.28 = 9,381.21 : x
  2. Step 2: Convert to fraction form
    27,149.90/40,730.28 = 9,381.21/x
  3. Step 3: Cross multiply
    27,149.90x = 40,730.28 × 9,381.21
  4. Step 4: Simplify right side
    27,149.90x = 382,099,157.30
  5. Step 5: Solve for x
    x = 382,099,157.30/27,149.90
  6. Step 6: Final answer
    x = 14,073.69

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1.5x scale

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.