Home / 25,769.35-38,668.89-13,923.16

Finding the Fourth Proportional to 25,769.35, 38,668.89 and 13,923.16

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Solution

The fourth proportional to 25,769.35, 38,668.89 and 13,923.16 is: 20,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.35 : 38,668.89 = 13,923.16 : x
  2. Step 2: Convert to fraction form
    25,769.35/38,668.89 = 13,923.16/x
  3. Step 3: Cross multiply
    25,769.35x = 38,668.89 × 13,923.16
  4. Step 4: Simplify right side
    25,769.35x = 538,393,179.60
  5. Step 5: Solve for x
    x = 538,393,179.60/25,769.35
  6. Step 6: Final answer
    x = 20,892.77

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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.