Home / 26,452.40-36,497.64-21,158

Finding the Fourth Proportional to 26,452.40, 36,497.64 and 21,158

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Solution

The fourth proportional to 26,452.40, 36,497.64 and 21,158 is: 29,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,452.40 : 36,497.64 = 21,158 : x
  2. Step 2: Convert to fraction form
    26,452.40/36,497.64 = 21,158/x
  3. Step 3: Cross multiply
    26,452.40x = 36,497.64 × 21,158
  4. Step 4: Simplify right side
    26,452.40x = 772,217,067.12
  5. Step 5: Solve for x
    x = 772,217,067.12/26,452.40
  6. Step 6: Final answer
    x = 29,192.70

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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.