Home / 19,963.28-29,944.84-15,584.40

Finding the Fourth Proportional to 19,963.28, 29,944.84 and 15,584.40

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Solution

The fourth proportional to 19,963.28, 29,944.84 and 15,584.40 is: 23,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.28 : 29,944.84 = 15,584.40 : x
  2. Step 2: Convert to fraction form
    19,963.28/29,944.84 = 15,584.40/x
  3. Step 3: Cross multiply
    19,963.28x = 29,944.84 × 15,584.40
  4. Step 4: Simplify right side
    19,963.28x = 466,672,364.50
  5. Step 5: Solve for x
    x = 466,672,364.50/19,963.28
  6. Step 6: Final answer
    x = 23,376.54

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1.5x scale

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.