Home / 19,293.84-28,941.75-5,443.92

Finding the Fourth Proportional to 19,293.84, 28,941.75 and 5,443.92

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Solution

The fourth proportional to 19,293.84, 28,941.75 and 5,443.92 is: 8,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.84 : 28,941.75 = 5,443.92 : x
  2. Step 2: Convert to fraction form
    19,293.84/28,941.75 = 5,443.92/x
  3. Step 3: Cross multiply
    19,293.84x = 28,941.75 × 5,443.92
  4. Step 4: Simplify right side
    19,293.84x = 157,556,571.66
  5. Step 5: Solve for x
    x = 157,556,571.66/19,293.84
  6. Step 6: Final answer
    x = 8,166.16

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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.