Home / 28,836.22-43,268.16-15,688.59

Finding the Fourth Proportional to 28,836.22, 43,268.16 and 15,688.59

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Solution

The fourth proportional to 28,836.22, 43,268.16 and 15,688.59 is: 23,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.22 : 43,268.16 = 15,688.59 : x
  2. Step 2: Convert to fraction form
    28,836.22/43,268.16 = 15,688.59/x
  3. Step 3: Cross multiply
    28,836.22x = 43,268.16 × 15,688.59
  4. Step 4: Simplify right side
    28,836.22x = 678,816,422.29
  5. Step 5: Solve for x
    x = 678,816,422.29/28,836.22
  6. Step 6: Final answer
    x = 23,540.41

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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.