Home / 28,570.26-39,422.27-17,952.38

Finding the Fourth Proportional to 28,570.26, 39,422.27 and 17,952.38

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Solution

The fourth proportional to 28,570.26, 39,422.27 and 17,952.38 is: 24,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,570.26 : 39,422.27 = 17,952.38 : x
  2. Step 2: Convert to fraction form
    28,570.26/39,422.27 = 17,952.38/x
  3. Step 3: Cross multiply
    28,570.26x = 39,422.27 × 17,952.38
  4. Step 4: Simplify right side
    28,570.26x = 707,723,419.27
  5. Step 5: Solve for x
    x = 707,723,419.27/28,570.26
  6. Step 6: Final answer
    x = 24,771.33

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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.