Home / 26,561.04-39,732.12-21,827.76

Finding the Fourth Proportional to 26,561.04, 39,732.12 and 21,827.76

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Solution

The fourth proportional to 26,561.04, 39,732.12 and 21,827.76 is: 32,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,561.04 : 39,732.12 = 21,827.76 : x
  2. Step 2: Convert to fraction form
    26,561.04/39,732.12 = 21,827.76/x
  3. Step 3: Cross multiply
    26,561.04x = 39,732.12 × 21,827.76
  4. Step 4: Simplify right side
    26,561.04x = 867,263,179.65
  5. Step 5: Solve for x
    x = 867,263,179.65/26,561.04
  6. Step 6: Final answer
    x = 32,651.70

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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.