Home / 18,974.23-28,457.08-5,826.71

Finding the Fourth Proportional to 18,974.23, 28,457.08 and 5,826.71

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Solution

The fourth proportional to 18,974.23, 28,457.08 and 5,826.71 is: 8,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.23 : 28,457.08 = 5,826.71 : x
  2. Step 2: Convert to fraction form
    18,974.23/28,457.08 = 5,826.71/x
  3. Step 3: Cross multiply
    18,974.23x = 28,457.08 × 5,826.71
  4. Step 4: Simplify right side
    18,974.23x = 165,811,152.61
  5. Step 5: Solve for x
    x = 165,811,152.61/18,974.23
  6. Step 6: Final answer
    x = 8,738.76

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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.