Home / 25,382.02-38,076.73-7,853.22

Finding the Fourth Proportional to 25,382.02, 38,076.73 and 7,853.22

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Solution

The fourth proportional to 25,382.02, 38,076.73 and 7,853.22 is: 11,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.02 : 38,076.73 = 7,853.22 : x
  2. Step 2: Convert to fraction form
    25,382.02/38,076.73 = 7,853.22/x
  3. Step 3: Cross multiply
    25,382.02x = 38,076.73 × 7,853.22
  4. Step 4: Simplify right side
    25,382.02x = 299,024,937.57
  5. Step 5: Solve for x
    x = 299,024,937.57/25,382.02
  6. Step 6: Final answer
    x = 11,780.97

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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.