Home / 18,927.70-28,397.09-5,601.03

Finding the Fourth Proportional to 18,927.70, 28,397.09 and 5,601.03

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Solution

The fourth proportional to 18,927.70, 28,397.09 and 5,601.03 is: 8,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.70 : 28,397.09 = 5,601.03 : x
  2. Step 2: Convert to fraction form
    18,927.70/28,397.09 = 5,601.03/x
  3. Step 3: Cross multiply
    18,927.70x = 28,397.09 × 5,601.03
  4. Step 4: Simplify right side
    18,927.70x = 159,052,925.00
  5. Step 5: Solve for x
    x = 159,052,925.00/18,927.70
  6. Step 6: Final answer
    x = 8,403.19

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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.