Home / 20,935.32-28,867.19-16,144.44

Finding the Fourth Proportional to 20,935.32, 28,867.19 and 16,144.44

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Solution

The fourth proportional to 20,935.32, 28,867.19 and 16,144.44 is: 22,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,935.32 : 28,867.19 = 16,144.44 : x
  2. Step 2: Convert to fraction form
    20,935.32/28,867.19 = 16,144.44/x
  3. Step 3: Cross multiply
    20,935.32x = 28,867.19 × 16,144.44
  4. Step 4: Simplify right side
    20,935.32x = 466,044,536.20
  5. Step 5: Solve for x
    x = 466,044,536.20/20,935.32
  6. Step 6: Final answer
    x = 22,261.16

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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.