Home / 25,759.72-38,645.58-8,228.20

Finding the Fourth Proportional to 25,759.72, 38,645.58 and 8,228.20

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Solution

The fourth proportional to 25,759.72, 38,645.58 and 8,228.20 is: 12,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.72 : 38,645.58 = 8,228.20 : x
  2. Step 2: Convert to fraction form
    25,759.72/38,645.58 = 8,228.20/x
  3. Step 3: Cross multiply
    25,759.72x = 38,645.58 × 8,228.20
  4. Step 4: Simplify right side
    25,759.72x = 317,983,561.36
  5. Step 5: Solve for x
    x = 317,983,561.36/25,759.72
  6. Step 6: Final answer
    x = 12,344.22

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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.