Home / 22,378.84-30,844.78-15,292.92

Finding the Fourth Proportional to 22,378.84, 30,844.78 and 15,292.92

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Solution

The fourth proportional to 22,378.84, 30,844.78 and 15,292.92 is: 21,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.84 : 30,844.78 = 15,292.92 : x
  2. Step 2: Convert to fraction form
    22,378.84/30,844.78 = 15,292.92/x
  3. Step 3: Cross multiply
    22,378.84x = 30,844.78 × 15,292.92
  4. Step 4: Simplify right side
    22,378.84x = 471,706,752.96
  5. Step 5: Solve for x
    x = 471,706,752.96/22,378.84
  6. Step 6: Final answer
    x = 21,078.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.