Home / 20,310.31-27,970.11-19,044.59

Finding the Fourth Proportional to 20,310.31, 27,970.11 and 19,044.59

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Solution

The fourth proportional to 20,310.31, 27,970.11 and 19,044.59 is: 26,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310.31 : 27,970.11 = 19,044.59 : x
  2. Step 2: Convert to fraction form
    20,310.31/27,970.11 = 19,044.59/x
  3. Step 3: Cross multiply
    20,310.31x = 27,970.11 × 19,044.59
  4. Step 4: Simplify right side
    20,310.31x = 532,679,137.35
  5. Step 5: Solve for x
    x = 532,679,137.35/20,310.31
  6. Step 6: Final answer
    x = 26,227.03

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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.