Home / 25,923.40-38,904.30-17,155.40

Finding the Fourth Proportional to 25,923.40, 38,904.30 and 17,155.40

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Solution

The fourth proportional to 25,923.40, 38,904.30 and 17,155.40 is: 25,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,923.40 : 38,904.30 = 17,155.40 : x
  2. Step 2: Convert to fraction form
    25,923.40/38,904.30 = 17,155.40/x
  3. Step 3: Cross multiply
    25,923.40x = 38,904.30 × 17,155.40
  4. Step 4: Simplify right side
    25,923.40x = 667,418,828.22
  5. Step 5: Solve for x
    x = 667,418,828.22/25,923.40
  6. Step 6: Final answer
    x = 25,745.81

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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.