Home / 28,934.08-39,912.42-16,995.22

Finding the Fourth Proportional to 28,934.08, 39,912.42 and 16,995.22

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Solution

The fourth proportional to 28,934.08, 39,912.42 and 16,995.22 is: 23,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.08 : 39,912.42 = 16,995.22 : x
  2. Step 2: Convert to fraction form
    28,934.08/39,912.42 = 16,995.22/x
  3. Step 3: Cross multiply
    28,934.08x = 39,912.42 × 16,995.22
  4. Step 4: Simplify right side
    28,934.08x = 678,320,358.63
  5. Step 5: Solve for x
    x = 678,320,358.63/28,934.08
  6. Step 6: Final answer
    x = 23,443.65

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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.