Home / 28,175.43-38,911.15-24,380.38

Finding the Fourth Proportional to 28,175.43, 38,911.15 and 24,380.38

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Solution

The fourth proportional to 28,175.43, 38,911.15 and 24,380.38 is: 33,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.43 : 38,911.15 = 24,380.38 : x
  2. Step 2: Convert to fraction form
    28,175.43/38,911.15 = 24,380.38/x
  3. Step 3: Cross multiply
    28,175.43x = 38,911.15 × 24,380.38
  4. Step 4: Simplify right side
    28,175.43x = 948,668,623.24
  5. Step 5: Solve for x
    x = 948,668,623.24/28,175.43
  6. Step 6: Final answer
    x = 33,670.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.