Home / 28,696.86-42,982.83-17,569.80

Finding the Fourth Proportional to 28,696.86, 42,982.83 and 17,569.80

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Solution

The fourth proportional to 28,696.86, 42,982.83 and 17,569.80 is: 26,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.86 : 42,982.83 = 17,569.80 : x
  2. Step 2: Convert to fraction form
    28,696.86/42,982.83 = 17,569.80/x
  3. Step 3: Cross multiply
    28,696.86x = 42,982.83 × 17,569.80
  4. Step 4: Simplify right side
    28,696.86x = 755,199,726.53
  5. Step 5: Solve for x
    x = 755,199,726.53/28,696.86
  6. Step 6: Final answer
    x = 26,316.46

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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.