Home / 26,731.92-36,890.64-17,316.84

Finding the Fourth Proportional to 26,731.92, 36,890.64 and 17,316.84

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Solution

The fourth proportional to 26,731.92, 36,890.64 and 17,316.84 is: 23,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731.92 : 36,890.64 = 17,316.84 : x
  2. Step 2: Convert to fraction form
    26,731.92/36,890.64 = 17,316.84/x
  3. Step 3: Cross multiply
    26,731.92x = 36,890.64 × 17,316.84
  4. Step 4: Simplify right side
    26,731.92x = 638,829,310.38
  5. Step 5: Solve for x
    x = 638,829,310.38/26,731.92
  6. Step 6: Final answer
    x = 23,897.62

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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.