Home / 28,106.04-38,790.18-16,169.16

Finding the Fourth Proportional to 28,106.04, 38,790.18 and 16,169.16

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Solution

The fourth proportional to 28,106.04, 38,790.18 and 16,169.16 is: 22,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106.04 : 38,790.18 = 16,169.16 : x
  2. Step 2: Convert to fraction form
    28,106.04/38,790.18 = 16,169.16/x
  3. Step 3: Cross multiply
    28,106.04x = 38,790.18 × 16,169.16
  4. Step 4: Simplify right side
    28,106.04x = 627,204,626.85
  5. Step 5: Solve for x
    x = 627,204,626.85/28,106.04
  6. Step 6: Final answer
    x = 22,315.65

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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.