Home / 25,778.48-38,658.23-8,907.19

Finding the Fourth Proportional to 25,778.48, 38,658.23 and 8,907.19

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Solution

The fourth proportional to 25,778.48, 38,658.23 and 8,907.19 is: 13,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,778.48 : 38,658.23 = 8,907.19 : x
  2. Step 2: Convert to fraction form
    25,778.48/38,658.23 = 8,907.19/x
  3. Step 3: Cross multiply
    25,778.48x = 38,658.23 × 8,907.19
  4. Step 4: Simplify right side
    25,778.48x = 344,336,199.67
  5. Step 5: Solve for x
    x = 344,336,199.67/25,778.48
  6. Step 6: Final answer
    x = 13,357.51

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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.