Home / 21,340.26-32,010.54-13,991.22

Finding the Fourth Proportional to 21,340.26, 32,010.54 and 13,991.22

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Solution

The fourth proportional to 21,340.26, 32,010.54 and 13,991.22 is: 20,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.26 : 32,010.54 = 13,991.22 : x
  2. Step 2: Convert to fraction form
    21,340.26/32,010.54 = 13,991.22/x
  3. Step 3: Cross multiply
    21,340.26x = 32,010.54 × 13,991.22
  4. Step 4: Simplify right side
    21,340.26x = 447,866,507.46
  5. Step 5: Solve for x
    x = 447,866,507.46/21,340.26
  6. Step 6: Final answer
    x = 20,986.93

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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.