Home / 25,079.12-34,609.08-13,901.12

Finding the Fourth Proportional to 25,079.12, 34,609.08 and 13,901.12

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Solution

The fourth proportional to 25,079.12, 34,609.08 and 13,901.12 is: 19,183.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,079.12 : 34,609.08 = 13,901.12 : x
  2. Step 2: Convert to fraction form
    25,079.12/34,609.08 = 13,901.12/x
  3. Step 3: Cross multiply
    25,079.12x = 34,609.08 × 13,901.12
  4. Step 4: Simplify right side
    25,079.12x = 481,104,974.17
  5. Step 5: Solve for x
    x = 481,104,974.17/25,079.12
  6. Step 6: Final answer
    x = 19,183.49

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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.