Home / 28,074.58-38,745.29-16,142.02

Finding the Fourth Proportional to 28,074.58, 38,745.29 and 16,142.02

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Solution

The fourth proportional to 28,074.58, 38,745.29 and 16,142.02 is: 22,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.58 : 38,745.29 = 16,142.02 : x
  2. Step 2: Convert to fraction form
    28,074.58/38,745.29 = 16,142.02/x
  3. Step 3: Cross multiply
    28,074.58x = 38,745.29 × 16,142.02
  4. Step 4: Simplify right side
    28,074.58x = 625,427,246.09
  5. Step 5: Solve for x
    x = 625,427,246.09/28,074.58
  6. Step 6: Final answer
    x = 22,277.35

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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.