Home / 28,895.72-39,874.07-16,318.04

Finding the Fourth Proportional to 28,895.72, 39,874.07 and 16,318.04

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Solution

The fourth proportional to 28,895.72, 39,874.07 and 16,318.04 is: 22,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.72 : 39,874.07 = 16,318.04 : x
  2. Step 2: Convert to fraction form
    28,895.72/39,874.07 = 16,318.04/x
  3. Step 3: Cross multiply
    28,895.72x = 39,874.07 × 16,318.04
  4. Step 4: Simplify right side
    28,895.72x = 650,666,510.65
  5. Step 5: Solve for x
    x = 650,666,510.65/28,895.72
  6. Step 6: Final answer
    x = 22,517.75

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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.