Home / 25,626.24-38,438.40-8,097.12

Finding the Fourth Proportional to 25,626.24, 38,438.40 and 8,097.12

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Solution

The fourth proportional to 25,626.24, 38,438.40 and 8,097.12 is: 12,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,626.24 : 38,438.40 = 8,097.12 : x
  2. Step 2: Convert to fraction form
    25,626.24/38,438.40 = 8,097.12/x
  3. Step 3: Cross multiply
    25,626.24x = 38,438.40 × 8,097.12
  4. Step 4: Simplify right side
    25,626.24x = 311,240,337.41
  5. Step 5: Solve for x
    x = 311,240,337.41/25,626.24
  6. Step 6: Final answer
    x = 12,145.38

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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.