Home / 27,160.48-40,761.20-21,753.76

Finding the Fourth Proportional to 27,160.48, 40,761.20 and 21,753.76

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Solution

The fourth proportional to 27,160.48, 40,761.20 and 21,753.76 is: 32,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,160.48 : 40,761.20 = 21,753.76 : x
  2. Step 2: Convert to fraction form
    27,160.48/40,761.20 = 21,753.76/x
  3. Step 3: Cross multiply
    27,160.48x = 40,761.20 × 21,753.76
  4. Step 4: Simplify right side
    27,160.48x = 886,709,362.11
  5. Step 5: Solve for x
    x = 886,709,362.11/27,160.48
  6. Step 6: Final answer
    x = 32,647.04

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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.