Home / 28,148.94-38,850.30-16,210.08

Finding the Fourth Proportional to 28,148.94, 38,850.30 and 16,210.08

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Solution

The fourth proportional to 28,148.94, 38,850.30 and 16,210.08 is: 22,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.94 : 38,850.30 = 16,210.08 : x
  2. Step 2: Convert to fraction form
    28,148.94/38,850.30 = 16,210.08/x
  3. Step 3: Cross multiply
    28,148.94x = 38,850.30 × 16,210.08
  4. Step 4: Simplify right side
    28,148.94x = 629,766,471.02
  5. Step 5: Solve for x
    x = 629,766,471.02/28,148.94
  6. Step 6: Final answer
    x = 22,372.65

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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.