Home / 26,632.29-39,876.89-21,343.53

Finding the Fourth Proportional to 26,632.29, 39,876.89 and 21,343.53

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Solution

The fourth proportional to 26,632.29, 39,876.89 and 21,343.53 is: 31,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,632.29 : 39,876.89 = 21,343.53 : x
  2. Step 2: Convert to fraction form
    26,632.29/39,876.89 = 21,343.53/x
  3. Step 3: Cross multiply
    26,632.29x = 39,876.89 × 21,343.53
  4. Step 4: Simplify right side
    26,632.29x = 851,113,491.30
  5. Step 5: Solve for x
    x = 851,113,491.30/26,632.29
  6. Step 6: Final answer
    x = 31,957.95

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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.