Home / 25,381.88-38,076.45-7,853.07

Finding the Fourth Proportional to 25,381.88, 38,076.45 and 7,853.07

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Solution

The fourth proportional to 25,381.88, 38,076.45 and 7,853.07 is: 11,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.88 : 38,076.45 = 7,853.07 : x
  2. Step 2: Convert to fraction form
    25,381.88/38,076.45 = 7,853.07/x
  3. Step 3: Cross multiply
    25,381.88x = 38,076.45 × 7,853.07
  4. Step 4: Simplify right side
    25,381.88x = 299,017,027.20
  5. Step 5: Solve for x
    x = 299,017,027.20/25,381.88
  6. Step 6: Final answer
    x = 11,780.73

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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.