Home / 28,952.40-43,428.76-8,175.92

Finding the Fourth Proportional to 28,952.40, 43,428.76 and 8,175.92

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Solution

The fourth proportional to 28,952.40, 43,428.76 and 8,175.92 is: 12,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.40 : 43,428.76 = 8,175.92 : x
  2. Step 2: Convert to fraction form
    28,952.40/43,428.76 = 8,175.92/x
  3. Step 3: Cross multiply
    28,952.40x = 43,428.76 × 8,175.92
  4. Step 4: Simplify right side
    28,952.40x = 355,070,067.46
  5. Step 5: Solve for x
    x = 355,070,067.46/28,952.40
  6. Step 6: Final answer
    x = 12,263.93

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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.