Home / 28,729.75-43,005.51-15,549.43

Finding the Fourth Proportional to 28,729.75, 43,005.51 and 15,549.43

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Solution

The fourth proportional to 28,729.75, 43,005.51 and 15,549.43 is: 23,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.75 : 43,005.51 = 15,549.43 : x
  2. Step 2: Convert to fraction form
    28,729.75/43,005.51 = 15,549.43/x
  3. Step 3: Cross multiply
    28,729.75x = 43,005.51 × 15,549.43
  4. Step 4: Simplify right side
    28,729.75x = 668,711,167.36
  5. Step 5: Solve for x
    x = 668,711,167.36/28,729.75
  6. Step 6: Final answer
    x = 23,275.91

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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.