Home / 38,668.80-57,995.88-13,707.84

Finding the Fourth Proportional to 38,668.80, 57,995.88 and 13,707.84

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Solution

The fourth proportional to 38,668.80, 57,995.88 and 13,707.84 is: 20,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668.80 : 57,995.88 = 13,707.84 : x
  2. Step 2: Convert to fraction form
    38,668.80/57,995.88 = 13,707.84/x
  3. Step 3: Cross multiply
    38,668.80x = 57,995.88 × 13,707.84
  4. Step 4: Simplify right side
    38,668.80x = 794,998,243.70
  5. Step 5: Solve for x
    x = 794,998,243.70/38,668.80
  6. Step 6: Final answer
    x = 20,559.17

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1.5x scale

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.