Home / 27,358.31-41,037.48-21,127.43

Finding the Fourth Proportional to 27,358.31, 41,037.48 and 21,127.43

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Solution

The fourth proportional to 27,358.31, 41,037.48 and 21,127.43 is: 31,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.31 : 41,037.48 = 21,127.43 : x
  2. Step 2: Convert to fraction form
    27,358.31/41,037.48 = 21,127.43/x
  3. Step 3: Cross multiply
    27,358.31x = 41,037.48 × 21,127.43
  4. Step 4: Simplify right side
    27,358.31x = 867,016,486.08
  5. Step 5: Solve for x
    x = 867,016,486.08/27,358.31
  6. Step 6: Final answer
    x = 31,691.16

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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.