Home / 19,247.72-28,849.52-8,701.81

Finding the Fourth Proportional to 19,247.72, 28,849.52 and 8,701.81

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Solution

The fourth proportional to 19,247.72, 28,849.52 and 8,701.81 is: 13,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.72 : 28,849.52 = 8,701.81 : x
  2. Step 2: Convert to fraction form
    19,247.72/28,849.52 = 8,701.81/x
  3. Step 3: Cross multiply
    19,247.72x = 28,849.52 × 8,701.81
  4. Step 4: Simplify right side
    19,247.72x = 251,042,991.26
  5. Step 5: Solve for x
    x = 251,042,991.26/19,247.72
  6. Step 6: Final answer
    x = 13,042.74

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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.