Home / 25,166.56-34,729.80-13,988.56

Finding the Fourth Proportional to 25,166.56, 34,729.80 and 13,988.56

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Solution

The fourth proportional to 25,166.56, 34,729.80 and 13,988.56 is: 19,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,166.56 : 34,729.80 = 13,988.56 : x
  2. Step 2: Convert to fraction form
    25,166.56/34,729.80 = 13,988.56/x
  3. Step 3: Cross multiply
    25,166.56x = 34,729.80 × 13,988.56
  4. Step 4: Simplify right side
    25,166.56x = 485,819,891.09
  5. Step 5: Solve for x
    x = 485,819,891.09/25,166.56
  6. Step 6: Final answer
    x = 19,304.18

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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.