Home / 16,551-24,826.56-15,720.48

Finding the Fourth Proportional to 16,551, 24,826.56 and 15,720.48

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Solution

The fourth proportional to 16,551, 24,826.56 and 15,720.48 is: 23,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,551 : 24,826.56 = 15,720.48 : x
  2. Step 2: Convert to fraction form
    16,551/24,826.56 = 15,720.48/x
  3. Step 3: Cross multiply
    16,551x = 24,826.56 × 15,720.48
  4. Step 4: Simplify right side
    16,551x = 390,285,439.95
  5. Step 5: Solve for x
    x = 390,285,439.95/16,551
  6. Step 6: Final answer
    x = 23,580.78

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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.