Home / 28,716.69-43,075.03-8,996.78

Finding the Fourth Proportional to 28,716.69, 43,075.03 and 8,996.78

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Solution

The fourth proportional to 28,716.69, 43,075.03 and 8,996.78 is: 13,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.69 : 43,075.03 = 8,996.78 : x
  2. Step 2: Convert to fraction form
    28,716.69/43,075.03 = 8,996.78/x
  3. Step 3: Cross multiply
    28,716.69x = 43,075.03 × 8,996.78
  4. Step 4: Simplify right side
    28,716.69x = 387,536,568.40
  5. Step 5: Solve for x
    x = 387,536,568.40/28,716.69
  6. Step 6: Final answer
    x = 13,495.17

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1.5x scale

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.