Home / 18,751.44-28,077.24-16,389.84

Finding the Fourth Proportional to 18,751.44, 28,077.24 and 16,389.84

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Solution

The fourth proportional to 18,751.44, 28,077.24 and 16,389.84 is: 24,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751.44 : 28,077.24 = 16,389.84 : x
  2. Step 2: Convert to fraction form
    18,751.44/28,077.24 = 16,389.84/x
  3. Step 3: Cross multiply
    18,751.44x = 28,077.24 × 16,389.84
  4. Step 4: Simplify right side
    18,751.44x = 460,181,471.24
  5. Step 5: Solve for x
    x = 460,181,471.24/18,751.44
  6. Step 6: Final answer
    x = 24,541.13

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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.