Home / 21,517.81-32,275.90-5,935.03

Finding the Fourth Proportional to 21,517.81, 32,275.90 and 5,935.03

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Solution

The fourth proportional to 21,517.81, 32,275.90 and 5,935.03 is: 8,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517.81 : 32,275.90 = 5,935.03 : x
  2. Step 2: Convert to fraction form
    21,517.81/32,275.90 = 5,935.03/x
  3. Step 3: Cross multiply
    21,517.81x = 32,275.90 × 5,935.03
  4. Step 4: Simplify right side
    21,517.81x = 191,558,434.78
  5. Step 5: Solve for x
    x = 191,558,434.78/21,517.81
  6. Step 6: Final answer
    x = 8,902.32

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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.