Home / 26,893.92-37,108.12-15,713.76

Finding the Fourth Proportional to 26,893.92, 37,108.12 and 15,713.76

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Solution

The fourth proportional to 26,893.92, 37,108.12 and 15,713.76 is: 21,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,893.92 : 37,108.12 = 15,713.76 : x
  2. Step 2: Convert to fraction form
    26,893.92/37,108.12 = 15,713.76/x
  3. Step 3: Cross multiply
    26,893.92x = 37,108.12 × 15,713.76
  4. Step 4: Simplify right side
    26,893.92x = 583,108,091.73
  5. Step 5: Solve for x
    x = 583,108,091.73/26,893.92
  6. Step 6: Final answer
    x = 21,681.78

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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.