Home / 25,770.20-38,618.85-10,964.21

Finding the Fourth Proportional to 25,770.20, 38,618.85 and 10,964.21

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Solution

The fourth proportional to 25,770.20, 38,618.85 and 10,964.21 is: 16,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.20 : 38,618.85 = 10,964.21 : x
  2. Step 2: Convert to fraction form
    25,770.20/38,618.85 = 10,964.21/x
  3. Step 3: Cross multiply
    25,770.20x = 38,618.85 × 10,964.21
  4. Step 4: Simplify right side
    25,770.20x = 423,425,277.91
  5. Step 5: Solve for x
    x = 423,425,277.91/25,770.20
  6. Step 6: Final answer
    x = 16,430.81

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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.