Home / 28,883.75-43,319.40-16,867.88

Finding the Fourth Proportional to 28,883.75, 43,319.40 and 16,867.88

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Solution

The fourth proportional to 28,883.75, 43,319.40 and 16,867.88 is: 25,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.75 : 43,319.40 = 16,867.88 : x
  2. Step 2: Convert to fraction form
    28,883.75/43,319.40 = 16,867.88/x
  3. Step 3: Cross multiply
    28,883.75x = 43,319.40 × 16,867.88
  4. Step 4: Simplify right side
    28,883.75x = 730,706,440.87
  5. Step 5: Solve for x
    x = 730,706,440.87/28,883.75
  6. Step 6: Final answer
    x = 25,298.18

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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.