Home / 21,371.74-32,054.37-7,517.50

Finding the Fourth Proportional to 21,371.74, 32,054.37 and 7,517.50

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Solution

The fourth proportional to 21,371.74, 32,054.37 and 7,517.50 is: 11,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371.74 : 32,054.37 = 7,517.50 : x
  2. Step 2: Convert to fraction form
    21,371.74/32,054.37 = 7,517.50/x
  3. Step 3: Cross multiply
    21,371.74x = 32,054.37 × 7,517.50
  4. Step 4: Simplify right side
    21,371.74x = 240,968,726.48
  5. Step 5: Solve for x
    x = 240,968,726.48/21,371.74
  6. Step 6: Final answer
    x = 11,275.11

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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.