Home / 28,726.48-39,630.36-17,542

Finding the Fourth Proportional to 28,726.48, 39,630.36 and 17,542

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Solution

The fourth proportional to 28,726.48, 39,630.36 and 17,542 is: 24,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.48 : 39,630.36 = 17,542 : x
  2. Step 2: Convert to fraction form
    28,726.48/39,630.36 = 17,542/x
  3. Step 3: Cross multiply
    28,726.48x = 39,630.36 × 17,542
  4. Step 4: Simplify right side
    28,726.48x = 695,195,775.12
  5. Step 5: Solve for x
    x = 695,195,775.12/28,726.48
  6. Step 6: Final answer
    x = 24,200.52

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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.