Home / 19,208.64-28,766.52-15,897.36

Finding the Fourth Proportional to 19,208.64, 28,766.52 and 15,897.36

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Solution

The fourth proportional to 19,208.64, 28,766.52 and 15,897.36 is: 23,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.64 : 28,766.52 = 15,897.36 : x
  2. Step 2: Convert to fraction form
    19,208.64/28,766.52 = 15,897.36/x
  3. Step 3: Cross multiply
    19,208.64x = 28,766.52 × 15,897.36
  4. Step 4: Simplify right side
    19,208.64x = 457,311,724.39
  5. Step 5: Solve for x
    x = 457,311,724.39/19,208.64
  6. Step 6: Final answer
    x = 23,807.61

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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.