Home / 21,713.60-32,716.37-19,635.95

Finding the Fourth Proportional to 21,713.60, 32,716.37 and 19,635.95

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Solution

The fourth proportional to 21,713.60, 32,716.37 and 19,635.95 is: 29,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.60 : 32,716.37 = 19,635.95 : x
  2. Step 2: Convert to fraction form
    21,713.60/32,716.37 = 19,635.95/x
  3. Step 3: Cross multiply
    21,713.60x = 32,716.37 × 19,635.95
  4. Step 4: Simplify right side
    21,713.60x = 642,417,136.38
  5. Step 5: Solve for x
    x = 642,417,136.38/21,713.60
  6. Step 6: Final answer
    x = 29,585.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.