Home / 31,260.80-43,160.03-27,897.84

Finding the Fourth Proportional to 31,260.80, 43,160.03 and 27,897.84

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Solution

The fourth proportional to 31,260.80, 43,160.03 and 27,897.84 is: 38,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.80 : 43,160.03 = 27,897.84 : x
  2. Step 2: Convert to fraction form
    31,260.80/43,160.03 = 27,897.84/x
  3. Step 3: Cross multiply
    31,260.80x = 43,160.03 × 27,897.84
  4. Step 4: Simplify right side
    31,260.80x = 1,204,071,471.85
  5. Step 5: Solve for x
    x = 1,204,071,471.85/31,260.80
  6. Step 6: Final answer
    x = 38,516.98

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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.