Home / 26,715.29-36,866.88-15,965.06

Finding the Fourth Proportional to 26,715.29, 36,866.88 and 15,965.06

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Solution

The fourth proportional to 26,715.29, 36,866.88 and 15,965.06 is: 22,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.29 : 36,866.88 = 15,965.06 : x
  2. Step 2: Convert to fraction form
    26,715.29/36,866.88 = 15,965.06/x
  3. Step 3: Cross multiply
    26,715.29x = 36,866.88 × 15,965.06
  4. Step 4: Simplify right side
    26,715.29x = 588,581,766.88
  5. Step 5: Solve for x
    x = 588,581,766.88/26,715.29
  6. Step 6: Final answer
    x = 22,031.65

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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.