Home / 28,152.92-38,857.38-16,218.38

Finding the Fourth Proportional to 28,152.92, 38,857.38 and 16,218.38

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Solution

The fourth proportional to 28,152.92, 38,857.38 and 16,218.38 is: 22,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152.92 : 38,857.38 = 16,218.38 : x
  2. Step 2: Convert to fraction form
    28,152.92/38,857.38 = 16,218.38/x
  3. Step 3: Cross multiply
    28,152.92x = 38,857.38 × 16,218.38
  4. Step 4: Simplify right side
    28,152.92x = 630,203,754.64
  5. Step 5: Solve for x
    x = 630,203,754.64/28,152.92
  6. Step 6: Final answer
    x = 22,385.02

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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.