Home / 31,983.87-47,875.35-26,385.15

Finding the Fourth Proportional to 31,983.87, 47,875.35 and 26,385.15

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Solution

The fourth proportional to 31,983.87, 47,875.35 and 26,385.15 is: 39,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.87 : 47,875.35 = 26,385.15 : x
  2. Step 2: Convert to fraction form
    31,983.87/47,875.35 = 26,385.15/x
  3. Step 3: Cross multiply
    31,983.87x = 47,875.35 × 26,385.15
  4. Step 4: Simplify right side
    31,983.87x = 1,263,198,291.05
  5. Step 5: Solve for x
    x = 1,263,198,291.05/31,983.87
  6. Step 6: Final answer
    x = 39,494.85

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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.