Home / 28,615.26-39,508.62-17,876.48

Finding the Fourth Proportional to 28,615.26, 39,508.62 and 17,876.48

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Solution

The fourth proportional to 28,615.26, 39,508.62 and 17,876.48 is: 24,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615.26 : 39,508.62 = 17,876.48 : x
  2. Step 2: Convert to fraction form
    28,615.26/39,508.62 = 17,876.48/x
  3. Step 3: Cross multiply
    28,615.26x = 39,508.62 × 17,876.48
  4. Step 4: Simplify right side
    28,615.26x = 706,275,305.28
  5. Step 5: Solve for x
    x = 706,275,305.28/28,615.26
  6. Step 6: Final answer
    x = 24,681.77

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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.