Home / 25,952.40-38,928.28-17,611.76

Finding the Fourth Proportional to 25,952.40, 38,928.28 and 17,611.76

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Solution

The fourth proportional to 25,952.40, 38,928.28 and 17,611.76 is: 26,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,952.40 : 38,928.28 = 17,611.76 : x
  2. Step 2: Convert to fraction form
    25,952.40/38,928.28 = 17,611.76/x
  3. Step 3: Cross multiply
    25,952.40x = 38,928.28 × 17,611.76
  4. Step 4: Simplify right side
    25,952.40x = 685,595,524.57
  5. Step 5: Solve for x
    x = 685,595,524.57/25,952.40
  6. Step 6: Final answer
    x = 26,417.42

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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.