Home / 21,969.23-32,934.40-10,279.31

Finding the Fourth Proportional to 21,969.23, 32,934.40 and 10,279.31

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Solution

The fourth proportional to 21,969.23, 32,934.40 and 10,279.31 is: 15,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969.23 : 32,934.40 = 10,279.31 : x
  2. Step 2: Convert to fraction form
    21,969.23/32,934.40 = 10,279.31/x
  3. Step 3: Cross multiply
    21,969.23x = 32,934.40 × 10,279.31
  4. Step 4: Simplify right side
    21,969.23x = 338,542,716.89
  5. Step 5: Solve for x
    x = 338,542,716.89/21,969.23
  6. Step 6: Final answer
    x = 15,409.86

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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.