Home / 25,357.52-34,993.60-15,286.48

Finding the Fourth Proportional to 25,357.52, 34,993.60 and 15,286.48

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Solution

The fourth proportional to 25,357.52, 34,993.60 and 15,286.48 is: 21,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.52 : 34,993.60 = 15,286.48 : x
  2. Step 2: Convert to fraction form
    25,357.52/34,993.60 = 15,286.48/x
  3. Step 3: Cross multiply
    25,357.52x = 34,993.60 × 15,286.48
  4. Step 4: Simplify right side
    25,357.52x = 534,928,966.53
  5. Step 5: Solve for x
    x = 534,928,966.53/25,357.52
  6. Step 6: Final answer
    x = 21,095.48

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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.