Home / 19,228.61-28,851.79-7,544.93

Finding the Fourth Proportional to 19,228.61, 28,851.79 and 7,544.93

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Solution

The fourth proportional to 19,228.61, 28,851.79 and 7,544.93 is: 11,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.61 : 28,851.79 = 7,544.93 : x
  2. Step 2: Convert to fraction form
    19,228.61/28,851.79 = 7,544.93/x
  3. Step 3: Cross multiply
    19,228.61x = 28,851.79 × 7,544.93
  4. Step 4: Simplify right side
    19,228.61x = 217,684,735.92
  5. Step 5: Solve for x
    x = 217,684,735.92/19,228.61
  6. Step 6: Final answer
    x = 11,320.88

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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.