Home / 38,561.04-57,820.68-17,766

Finding the Fourth Proportional to 38,561.04, 57,820.68 and 17,766

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Solution

The fourth proportional to 38,561.04, 57,820.68 and 17,766 is: 26,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561.04 : 57,820.68 = 17,766 : x
  2. Step 2: Convert to fraction form
    38,561.04/57,820.68 = 17,766/x
  3. Step 3: Cross multiply
    38,561.04x = 57,820.68 × 17,766
  4. Step 4: Simplify right side
    38,561.04x = 1,027,242,200.88
  5. Step 5: Solve for x
    x = 1,027,242,200.88/38,561.04
  6. Step 6: Final answer
    x = 26,639.38

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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.