Home / 25,020.23-34,527.60-13,689.57

Finding the Fourth Proportional to 25,020.23, 34,527.60 and 13,689.57

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Solution

The fourth proportional to 25,020.23, 34,527.60 and 13,689.57 is: 18,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,020.23 : 34,527.60 = 13,689.57 : x
  2. Step 2: Convert to fraction form
    25,020.23/34,527.60 = 13,689.57/x
  3. Step 3: Cross multiply
    25,020.23x = 34,527.60 × 13,689.57
  4. Step 4: Simplify right side
    25,020.23x = 472,667,997.13
  5. Step 5: Solve for x
    x = 472,667,997.13/25,020.23
  6. Step 6: Final answer
    x = 18,891.44

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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.