Home / 37,676.80-51,960.18-28,139.79

Finding the Fourth Proportional to 37,676.80, 51,960.18 and 28,139.79

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Solution

The fourth proportional to 37,676.80, 51,960.18 and 28,139.79 is: 38,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,676.80 : 51,960.18 = 28,139.79 : x
  2. Step 2: Convert to fraction form
    37,676.80/51,960.18 = 28,139.79/x
  3. Step 3: Cross multiply
    37,676.80x = 51,960.18 × 28,139.79
  4. Step 4: Simplify right side
    37,676.80x = 1,462,148,553.56
  5. Step 5: Solve for x
    x = 1,462,148,553.56/37,676.80
  6. Step 6: Final answer
    x = 38,807.66

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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.