Home / 25,703.28-38,554.92-10,120.50

Finding the Fourth Proportional to 25,703.28, 38,554.92 and 10,120.50

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Solution

The fourth proportional to 25,703.28, 38,554.92 and 10,120.50 is: 15,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,703.28 : 38,554.92 = 10,120.50 : x
  2. Step 2: Convert to fraction form
    25,703.28/38,554.92 = 10,120.50/x
  3. Step 3: Cross multiply
    25,703.28x = 38,554.92 × 10,120.50
  4. Step 4: Simplify right side
    25,703.28x = 390,195,067.86
  5. Step 5: Solve for x
    x = 390,195,067.86/25,703.28
  6. Step 6: Final answer
    x = 15,180.75

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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.