Home / 21,895.32-32,839.88-7,104.36

Finding the Fourth Proportional to 21,895.32, 32,839.88 and 7,104.36

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Solution

The fourth proportional to 21,895.32, 32,839.88 and 7,104.36 is: 10,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895.32 : 32,839.88 = 7,104.36 : x
  2. Step 2: Convert to fraction form
    21,895.32/32,839.88 = 7,104.36/x
  3. Step 3: Cross multiply
    21,895.32x = 32,839.88 × 7,104.36
  4. Step 4: Simplify right side
    21,895.32x = 233,306,329.88
  5. Step 5: Solve for x
    x = 233,306,329.88/21,895.32
  6. Step 6: Final answer
    x = 10,655.53

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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.