Home / 21,640.74-32,397.84-19,565.52

Finding the Fourth Proportional to 21,640.74, 32,397.84 and 19,565.52

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Solution

The fourth proportional to 21,640.74, 32,397.84 and 19,565.52 is: 29,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,640.74 : 32,397.84 = 19,565.52 : x
  2. Step 2: Convert to fraction form
    21,640.74/32,397.84 = 19,565.52/x
  3. Step 3: Cross multiply
    21,640.74x = 32,397.84 × 19,565.52
  4. Step 4: Simplify right side
    21,640.74x = 633,880,586.48
  5. Step 5: Solve for x
    x = 633,880,586.48/21,640.74
  6. Step 6: Final answer
    x = 29,291.08

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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.