Home / 16,175.28-22,270.09-15,822.35

Finding the Fourth Proportional to 16,175.28, 22,270.09 and 15,822.35

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Solution

The fourth proportional to 16,175.28, 22,270.09 and 15,822.35 is: 21,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,175.28 : 22,270.09 = 15,822.35 : x
  2. Step 2: Convert to fraction form
    16,175.28/22,270.09 = 15,822.35/x
  3. Step 3: Cross multiply
    16,175.28x = 22,270.09 × 15,822.35
  4. Step 4: Simplify right side
    16,175.28x = 352,365,246.05
  5. Step 5: Solve for x
    x = 352,365,246.05/16,175.28
  6. Step 6: Final answer
    x = 21,784.18

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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.