Home / 25,965.20-38,928.60-17,624.40

Finding the Fourth Proportional to 25,965.20, 38,928.60 and 17,624.40

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Solution

The fourth proportional to 25,965.20, 38,928.60 and 17,624.40 is: 26,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.20 : 38,928.60 = 17,624.40 : x
  2. Step 2: Convert to fraction form
    25,965.20/38,928.60 = 17,624.40/x
  3. Step 3: Cross multiply
    25,965.20x = 38,928.60 × 17,624.40
  4. Step 4: Simplify right side
    25,965.20x = 686,093,217.84
  5. Step 5: Solve for x
    x = 686,093,217.84/25,965.20
  6. Step 6: Final answer
    x = 26,423.57

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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.