Home / 25,521.72-38,282.56-7,992.91

Finding the Fourth Proportional to 25,521.72, 38,282.56 and 7,992.91

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Solution

The fourth proportional to 25,521.72, 38,282.56 and 7,992.91 is: 11,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.72 : 38,282.56 = 7,992.91 : x
  2. Step 2: Convert to fraction form
    25,521.72/38,282.56 = 7,992.91/x
  3. Step 3: Cross multiply
    25,521.72x = 38,282.56 × 7,992.91
  4. Step 4: Simplify right side
    25,521.72x = 305,989,056.65
  5. Step 5: Solve for x
    x = 305,989,056.65/25,521.72
  6. Step 6: Final answer
    x = 11,989.36

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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.