Home / 29,326.30-40,470.36-15,897.44

Finding the Fourth Proportional to 29,326.30, 40,470.36 and 15,897.44

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Solution

The fourth proportional to 29,326.30, 40,470.36 and 15,897.44 is: 21,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,326.30 : 40,470.36 = 15,897.44 : x
  2. Step 2: Convert to fraction form
    29,326.30/40,470.36 = 15,897.44/x
  3. Step 3: Cross multiply
    29,326.30x = 40,470.36 × 15,897.44
  4. Step 4: Simplify right side
    29,326.30x = 643,375,119.88
  5. Step 5: Solve for x
    x = 643,375,119.88/29,326.30
  6. Step 6: Final answer
    x = 21,938.50

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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.