Home / 28,830.15-43,245.24-8,839.71

Finding the Fourth Proportional to 28,830.15, 43,245.24 and 8,839.71

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Solution

The fourth proportional to 28,830.15, 43,245.24 and 8,839.71 is: 13,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830.15 : 43,245.24 = 8,839.71 : x
  2. Step 2: Convert to fraction form
    28,830.15/43,245.24 = 8,839.71/x
  3. Step 3: Cross multiply
    28,830.15x = 43,245.24 × 8,839.71
  4. Step 4: Simplify right side
    28,830.15x = 382,275,380.48
  5. Step 5: Solve for x
    x = 382,275,380.48/28,830.15
  6. Step 6: Final answer
    x = 13,259.57

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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.