Home / 19,269.24-28,917-8,881.08

Finding the Fourth Proportional to 19,269.24, 28,917 and 8,881.08

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Solution

The fourth proportional to 19,269.24, 28,917 and 8,881.08 is: 13,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.24 : 28,917 = 8,881.08 : x
  2. Step 2: Convert to fraction form
    19,269.24/28,917 = 8,881.08/x
  3. Step 3: Cross multiply
    19,269.24x = 28,917 × 8,881.08
  4. Step 4: Simplify right side
    19,269.24x = 256,814,190.36
  5. Step 5: Solve for x
    x = 256,814,190.36/19,269.24
  6. Step 6: Final answer
    x = 13,327.68

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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.