Home / 28,250.94-38,989.38-16,318.02

Finding the Fourth Proportional to 28,250.94, 38,989.38 and 16,318.02

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Solution

The fourth proportional to 28,250.94, 38,989.38 and 16,318.02 is: 22,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.94 : 38,989.38 = 16,318.02 : x
  2. Step 2: Convert to fraction form
    28,250.94/38,989.38 = 16,318.02/x
  3. Step 3: Cross multiply
    28,250.94x = 38,989.38 × 16,318.02
  4. Step 4: Simplify right side
    28,250.94x = 636,229,482.63
  5. Step 5: Solve for x
    x = 636,229,482.63/28,250.94
  6. Step 6: Final answer
    x = 22,520.65

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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.