Home / 18,701.72-25,777.06-16,427.24

Finding the Fourth Proportional to 18,701.72, 25,777.06 and 16,427.24

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Solution

The fourth proportional to 18,701.72, 25,777.06 and 16,427.24 is: 22,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.72 : 25,777.06 = 16,427.24 : x
  2. Step 2: Convert to fraction form
    18,701.72/25,777.06 = 16,427.24/x
  3. Step 3: Cross multiply
    18,701.72x = 25,777.06 × 16,427.24
  4. Step 4: Simplify right side
    18,701.72x = 423,445,951.11
  5. Step 5: Solve for x
    x = 423,445,951.11/18,701.72
  6. Step 6: Final answer
    x = 22,642.09

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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.