Home / 21,382.96-32,074.44-11,526.88

Finding the Fourth Proportional to 21,382.96, 32,074.44 and 11,526.88

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Solution

The fourth proportional to 21,382.96, 32,074.44 and 11,526.88 is: 17,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382.96 : 32,074.44 = 11,526.88 : x
  2. Step 2: Convert to fraction form
    21,382.96/32,074.44 = 11,526.88/x
  3. Step 3: Cross multiply
    21,382.96x = 32,074.44 × 11,526.88
  4. Step 4: Simplify right side
    21,382.96x = 369,718,220.95
  5. Step 5: Solve for x
    x = 369,718,220.95/21,382.96
  6. Step 6: Final answer
    x = 17,290.32

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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.