Home / 28,717.20-43,075.77-8,997.29

Finding the Fourth Proportional to 28,717.20, 43,075.77 and 8,997.29

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Solution

The fourth proportional to 28,717.20, 43,075.77 and 8,997.29 is: 13,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.20 : 43,075.77 = 8,997.29 : x
  2. Step 2: Convert to fraction form
    28,717.20/43,075.77 = 8,997.29/x
  3. Step 3: Cross multiply
    28,717.20x = 43,075.77 × 8,997.29
  4. Step 4: Simplify right side
    28,717.20x = 387,564,979.28
  5. Step 5: Solve for x
    x = 387,564,979.28/28,717.20
  6. Step 6: Final answer
    x = 13,495.92

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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.