Home / 28,002.44-41,989.39-9,275.72

Finding the Fourth Proportional to 28,002.44, 41,989.39 and 9,275.72

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Solution

The fourth proportional to 28,002.44, 41,989.39 and 9,275.72 is: 13,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.44 : 41,989.39 = 9,275.72 : x
  2. Step 2: Convert to fraction form
    28,002.44/41,989.39 = 9,275.72/x
  3. Step 3: Cross multiply
    28,002.44x = 41,989.39 × 9,275.72
  4. Step 4: Simplify right side
    28,002.44x = 389,481,591.47
  5. Step 5: Solve for x
    x = 389,481,591.47/28,002.44
  6. Step 6: Final answer
    x = 13,908.84

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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.