Home / 19,219.32-28,799.82-14,265.81

Finding the Fourth Proportional to 19,219.32, 28,799.82 and 14,265.81

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Solution

The fourth proportional to 19,219.32, 28,799.82 and 14,265.81 is: 21,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.32 : 28,799.82 = 14,265.81 : x
  2. Step 2: Convert to fraction form
    19,219.32/28,799.82 = 14,265.81/x
  3. Step 3: Cross multiply
    19,219.32x = 28,799.82 × 14,265.81
  4. Step 4: Simplify right side
    19,219.32x = 410,852,760.15
  5. Step 5: Solve for x
    x = 410,852,760.15/19,219.32
  6. Step 6: Final answer
    x = 21,377.07

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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.