Home / 28,900.67-39,884.43-17,568.31

Finding the Fourth Proportional to 28,900.67, 39,884.43 and 17,568.31

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Solution

The fourth proportional to 28,900.67, 39,884.43 and 17,568.31 is: 24,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.67 : 39,884.43 = 17,568.31 : x
  2. Step 2: Convert to fraction form
    28,900.67/39,884.43 = 17,568.31/x
  3. Step 3: Cross multiply
    28,900.67x = 39,884.43 × 17,568.31
  4. Step 4: Simplify right side
    28,900.67x = 700,702,071.37
  5. Step 5: Solve for x
    x = 700,702,071.37/28,900.67
  6. Step 6: Final answer
    x = 24,245.19

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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.