Home / 19,951.02-27,502.20-16,408.08

Finding the Fourth Proportional to 19,951.02, 27,502.20 and 16,408.08

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Solution

The fourth proportional to 19,951.02, 27,502.20 and 16,408.08 is: 22,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.02 : 27,502.20 = 16,408.08 : x
  2. Step 2: Convert to fraction form
    19,951.02/27,502.20 = 16,408.08/x
  3. Step 3: Cross multiply
    19,951.02x = 27,502.20 × 16,408.08
  4. Step 4: Simplify right side
    19,951.02x = 451,258,297.78
  5. Step 5: Solve for x
    x = 451,258,297.78/19,951.02
  6. Step 6: Final answer
    x = 22,618.31

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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.