Home / 21,923.52-30,244.20-14,367.84

Finding the Fourth Proportional to 21,923.52, 30,244.20 and 14,367.84

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Solution

The fourth proportional to 21,923.52, 30,244.20 and 14,367.84 is: 19,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.52 : 30,244.20 = 14,367.84 : x
  2. Step 2: Convert to fraction form
    21,923.52/30,244.20 = 14,367.84/x
  3. Step 3: Cross multiply
    21,923.52x = 30,244.20 × 14,367.84
  4. Step 4: Simplify right side
    21,923.52x = 434,543,826.53
  5. Step 5: Solve for x
    x = 434,543,826.53/21,923.52
  6. Step 6: Final answer
    x = 19,820.90

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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.