Home / 27,142.29-37,456.16-15,205.73

Finding the Fourth Proportional to 27,142.29, 37,456.16 and 15,205.73

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Solution

The fourth proportional to 27,142.29, 37,456.16 and 15,205.73 is: 20,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,142.29 : 37,456.16 = 15,205.73 : x
  2. Step 2: Convert to fraction form
    27,142.29/37,456.16 = 15,205.73/x
  3. Step 3: Cross multiply
    27,142.29x = 37,456.16 × 15,205.73
  4. Step 4: Simplify right side
    27,142.29x = 569,547,992.49
  5. Step 5: Solve for x
    x = 569,547,992.49/27,142.29
  6. Step 6: Final answer
    x = 20,983.79

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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.