Home / 25,389.72-38,087.13-8,747.58

Finding the Fourth Proportional to 25,389.72, 38,087.13 and 8,747.58

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Solution

The fourth proportional to 25,389.72, 38,087.13 and 8,747.58 is: 13,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.72 : 38,087.13 = 8,747.58 : x
  2. Step 2: Convert to fraction form
    25,389.72/38,087.13 = 8,747.58/x
  3. Step 3: Cross multiply
    25,389.72x = 38,087.13 × 8,747.58
  4. Step 4: Simplify right side
    25,389.72x = 333,170,216.65
  5. Step 5: Solve for x
    x = 333,170,216.65/25,389.72
  6. Step 6: Final answer
    x = 13,122.25

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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.