Home / 21,996.45-30,331.02-16,341.69

Finding the Fourth Proportional to 21,996.45, 30,331.02 and 16,341.69

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Solution

The fourth proportional to 21,996.45, 30,331.02 and 16,341.69 is: 22,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.45 : 30,331.02 = 16,341.69 : x
  2. Step 2: Convert to fraction form
    21,996.45/30,331.02 = 16,341.69/x
  3. Step 3: Cross multiply
    21,996.45x = 30,331.02 × 16,341.69
  4. Step 4: Simplify right side
    21,996.45x = 495,659,951.20
  5. Step 5: Solve for x
    x = 495,659,951.20/21,996.45
  6. Step 6: Final answer
    x = 22,533.64

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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.