Home / 20,076.90-27,697.23-14,112.47

Finding the Fourth Proportional to 20,076.90, 27,697.23 and 14,112.47

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Solution

The fourth proportional to 20,076.90, 27,697.23 and 14,112.47 is: 19,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.90 : 27,697.23 = 14,112.47 : x
  2. Step 2: Convert to fraction form
    20,076.90/27,697.23 = 14,112.47/x
  3. Step 3: Cross multiply
    20,076.90x = 27,697.23 × 14,112.47
  4. Step 4: Simplify right side
    20,076.90x = 390,876,188.97
  5. Step 5: Solve for x
    x = 390,876,188.97/20,076.90
  6. Step 6: Final answer
    x = 19,468.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.