Home / 19,118.39-28,677.58-5,971.88

Finding the Fourth Proportional to 19,118.39, 28,677.58 and 5,971.88

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Solution

The fourth proportional to 19,118.39, 28,677.58 and 5,971.88 is: 8,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.39 : 28,677.58 = 5,971.88 : x
  2. Step 2: Convert to fraction form
    19,118.39/28,677.58 = 5,971.88/x
  3. Step 3: Cross multiply
    19,118.39x = 28,677.58 × 5,971.88
  4. Step 4: Simplify right side
    19,118.39x = 171,259,123.21
  5. Step 5: Solve for x
    x = 171,259,123.21/19,118.39
  6. Step 6: Final answer
    x = 8,957.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.