Home / 28,145.92-38,815.68-24,165.76

Finding the Fourth Proportional to 28,145.92, 38,815.68 and 24,165.76

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Solution

The fourth proportional to 28,145.92, 38,815.68 and 24,165.76 is: 33,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145.92 : 38,815.68 = 24,165.76 : x
  2. Step 2: Convert to fraction form
    28,145.92/38,815.68 = 24,165.76/x
  3. Step 3: Cross multiply
    28,145.92x = 38,815.68 × 24,165.76
  4. Step 4: Simplify right side
    28,145.92x = 938,010,407.12
  5. Step 5: Solve for x
    x = 938,010,407.12/28,145.92
  6. Step 6: Final answer
    x = 33,326.69

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Half scale
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Double scale
Find fourth proportional to 28,146.92, 38,817.06 and 24,166.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.