Home / 25,521.90-38,282.73-9,939.54

Finding the Fourth Proportional to 25,521.90, 38,282.73 and 9,939.54

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Solution

The fourth proportional to 25,521.90, 38,282.73 and 9,939.54 is: 14,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.90 : 38,282.73 = 9,939.54 : x
  2. Step 2: Convert to fraction form
    25,521.90/38,282.73 = 9,939.54/x
  3. Step 3: Cross multiply
    25,521.90x = 38,282.73 × 9,939.54
  4. Step 4: Simplify right side
    25,521.90x = 380,512,726.14
  5. Step 5: Solve for x
    x = 380,512,726.14/25,521.90
  6. Step 6: Final answer
    x = 14,909.26

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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.