Home / 25,597.56-38,396.40-7,129.56

Finding the Fourth Proportional to 25,597.56, 38,396.40 and 7,129.56

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Solution

The fourth proportional to 25,597.56, 38,396.40 and 7,129.56 is: 10,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,597.56 : 38,396.40 = 7,129.56 : x
  2. Step 2: Convert to fraction form
    25,597.56/38,396.40 = 7,129.56/x
  3. Step 3: Cross multiply
    25,597.56x = 38,396.40 × 7,129.56
  4. Step 4: Simplify right side
    25,597.56x = 273,749,437.58
  5. Step 5: Solve for x
    x = 273,749,437.58/25,597.56
  6. Step 6: Final answer
    x = 10,694.36

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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.