Home / 19,228.72-28,845.48-9,359.68

Finding the Fourth Proportional to 19,228.72, 28,845.48 and 9,359.68

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Solution

The fourth proportional to 19,228.72, 28,845.48 and 9,359.68 is: 14,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.72 : 28,845.48 = 9,359.68 : x
  2. Step 2: Convert to fraction form
    19,228.72/28,845.48 = 9,359.68/x
  3. Step 3: Cross multiply
    19,228.72x = 28,845.48 × 9,359.68
  4. Step 4: Simplify right side
    19,228.72x = 269,984,462.25
  5. Step 5: Solve for x
    x = 269,984,462.25/19,228.72
  6. Step 6: Final answer
    x = 14,040.69

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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.