Home / 26,619.04-39,932.16-21,082.66

Finding the Fourth Proportional to 26,619.04, 39,932.16 and 21,082.66

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Solution

The fourth proportional to 26,619.04, 39,932.16 and 21,082.66 is: 31,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.04 : 39,932.16 = 21,082.66 : x
  2. Step 2: Convert to fraction form
    26,619.04/39,932.16 = 21,082.66/x
  3. Step 3: Cross multiply
    26,619.04x = 39,932.16 × 21,082.66
  4. Step 4: Simplify right side
    26,619.04x = 841,876,152.35
  5. Step 5: Solve for x
    x = 841,876,152.35/26,619.04
  6. Step 6: Final answer
    x = 31,626.84

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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.