Home / 31,069.28-42,876.60-16,922.36

Finding the Fourth Proportional to 31,069.28, 42,876.60 and 16,922.36

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Solution

The fourth proportional to 31,069.28, 42,876.60 and 16,922.36 is: 23,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069.28 : 42,876.60 = 16,922.36 : x
  2. Step 2: Convert to fraction form
    31,069.28/42,876.60 = 16,922.36/x
  3. Step 3: Cross multiply
    31,069.28x = 42,876.60 × 16,922.36
  4. Step 4: Simplify right side
    31,069.28x = 725,573,260.78
  5. Step 5: Solve for x
    x = 725,573,260.78/31,069.28
  6. Step 6: Final answer
    x = 23,353.40

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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.