Home / 28,310.46-39,080.52-17,697.84

Finding the Fourth Proportional to 28,310.46, 39,080.52 and 17,697.84

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Solution

The fourth proportional to 28,310.46, 39,080.52 and 17,697.84 is: 24,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.46 : 39,080.52 = 17,697.84 : x
  2. Step 2: Convert to fraction form
    28,310.46/39,080.52 = 17,697.84/x
  3. Step 3: Cross multiply
    28,310.46x = 39,080.52 × 17,697.84
  4. Step 4: Simplify right side
    28,310.46x = 691,640,790.08
  5. Step 5: Solve for x
    x = 691,640,790.08/28,310.46
  6. Step 6: Final answer
    x = 24,430.57

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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.