Home / 28,781.77-43,170.55-9,065.97

Finding the Fourth Proportional to 28,781.77, 43,170.55 and 9,065.97

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Solution

The fourth proportional to 28,781.77, 43,170.55 and 9,065.97 is: 13,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.77 : 43,170.55 = 9,065.97 : x
  2. Step 2: Convert to fraction form
    28,781.77/43,170.55 = 9,065.97/x
  3. Step 3: Cross multiply
    28,781.77x = 43,170.55 × 9,065.97
  4. Step 4: Simplify right side
    28,781.77x = 391,382,672.67
  5. Step 5: Solve for x
    x = 391,382,672.67/28,781.77
  6. Step 6: Final answer
    x = 13,598.28

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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.