Home / 25,825.46-38,706.99-13,338.65

Finding the Fourth Proportional to 25,825.46, 38,706.99 and 13,338.65

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Solution

The fourth proportional to 25,825.46, 38,706.99 and 13,338.65 is: 19,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.46 : 38,706.99 = 13,338.65 : x
  2. Step 2: Convert to fraction form
    25,825.46/38,706.99 = 13,338.65/x
  3. Step 3: Cross multiply
    25,825.46x = 38,706.99 × 13,338.65
  4. Step 4: Simplify right side
    25,825.46x = 516,298,798.63
  5. Step 5: Solve for x
    x = 516,298,798.63/25,825.46
  6. Step 6: Final answer
    x = 19,991.86

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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.