Home / 28,847.53-43,284.26-15,680.17

Finding the Fourth Proportional to 28,847.53, 43,284.26 and 15,680.17

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Solution

The fourth proportional to 28,847.53, 43,284.26 and 15,680.17 is: 23,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.53 : 43,284.26 = 15,680.17 : x
  2. Step 2: Convert to fraction form
    28,847.53/43,284.26 = 15,680.17/x
  3. Step 3: Cross multiply
    28,847.53x = 43,284.26 × 15,680.17
  4. Step 4: Simplify right side
    28,847.53x = 678,704,555.12
  5. Step 5: Solve for x
    x = 678,704,555.12/28,847.53
  6. Step 6: Final answer
    x = 23,527.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.