Home / 21,922.68-32,955.30-17,587.56

Finding the Fourth Proportional to 21,922.68, 32,955.30 and 17,587.56

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Solution

The fourth proportional to 21,922.68, 32,955.30 and 17,587.56 is: 26,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.68 : 32,955.30 = 17,587.56 : x
  2. Step 2: Convert to fraction form
    21,922.68/32,955.30 = 17,587.56/x
  3. Step 3: Cross multiply
    21,922.68x = 32,955.30 × 17,587.56
  4. Step 4: Simplify right side
    21,922.68x = 579,603,316.07
  5. Step 5: Solve for x
    x = 579,603,316.07/21,922.68
  6. Step 6: Final answer
    x = 26,438.52

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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.