Home / 25,172.39-34,729.26-15,608.84

Finding the Fourth Proportional to 25,172.39, 34,729.26 and 15,608.84

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Solution

The fourth proportional to 25,172.39, 34,729.26 and 15,608.84 is: 21,534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.39 : 34,729.26 = 15,608.84 : x
  2. Step 2: Convert to fraction form
    25,172.39/34,729.26 = 15,608.84/x
  3. Step 3: Cross multiply
    25,172.39x = 34,729.26 × 15,608.84
  4. Step 4: Simplify right side
    25,172.39x = 542,083,462.66
  5. Step 5: Solve for x
    x = 542,083,462.66/25,172.39
  6. Step 6: Final answer
    x = 21,534.84

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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.