Home / 28,751.58-39,674.55-16,812.83

Finding the Fourth Proportional to 28,751.58, 39,674.55 and 16,812.83

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Solution

The fourth proportional to 28,751.58, 39,674.55 and 16,812.83 is: 23,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.58 : 39,674.55 = 16,812.83 : x
  2. Step 2: Convert to fraction form
    28,751.58/39,674.55 = 16,812.83/x
  3. Step 3: Cross multiply
    28,751.58x = 39,674.55 × 16,812.83
  4. Step 4: Simplify right side
    28,751.58x = 667,041,585.10
  5. Step 5: Solve for x
    x = 667,041,585.10/28,751.58
  6. Step 6: Final answer
    x = 23,200.18

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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.