Home / 26,691.01-36,791.17-21,016.76

Finding the Fourth Proportional to 26,691.01, 36,791.17 and 21,016.76

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Solution

The fourth proportional to 26,691.01, 36,791.17 and 21,016.76 is: 28,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691.01 : 36,791.17 = 21,016.76 : x
  2. Step 2: Convert to fraction form
    26,691.01/36,791.17 = 21,016.76/x
  3. Step 3: Cross multiply
    26,691.01x = 36,791.17 × 21,016.76
  4. Step 4: Simplify right side
    26,691.01x = 773,230,953.51
  5. Step 5: Solve for x
    x = 773,230,953.51/26,691.01
  6. Step 6: Final answer
    x = 28,969.72

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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.