Home / 21,375.09-32,066.28-6,581.25

Finding the Fourth Proportional to 21,375.09, 32,066.28 and 6,581.25

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Solution

The fourth proportional to 21,375.09, 32,066.28 and 6,581.25 is: 9,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.09 : 32,066.28 = 6,581.25 : x
  2. Step 2: Convert to fraction form
    21,375.09/32,066.28 = 6,581.25/x
  3. Step 3: Cross multiply
    21,375.09x = 32,066.28 × 6,581.25
  4. Step 4: Simplify right side
    21,375.09x = 211,036,205.25
  5. Step 5: Solve for x
    x = 211,036,205.25/21,375.09
  6. Step 6: Final answer
    x = 9,873.00

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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.