Home / 28,992.40-43,486.17-9,265.66

Finding the Fourth Proportional to 28,992.40, 43,486.17 and 9,265.66

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Solution

The fourth proportional to 28,992.40, 43,486.17 and 9,265.66 is: 13,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.40 : 43,486.17 = 9,265.66 : x
  2. Step 2: Convert to fraction form
    28,992.40/43,486.17 = 9,265.66/x
  3. Step 3: Cross multiply
    28,992.40x = 43,486.17 × 9,265.66
  4. Step 4: Simplify right side
    28,992.40x = 402,928,065.92
  5. Step 5: Solve for x
    x = 402,928,065.92/28,992.40
  6. Step 6: Final answer
    x = 13,897.71

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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.