Home / 28,687.66-43,021.77-10,914.10

Finding the Fourth Proportional to 28,687.66, 43,021.77 and 10,914.10

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Solution

The fourth proportional to 28,687.66, 43,021.77 and 10,914.10 is: 16,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,687.66 : 43,021.77 = 10,914.10 : x
  2. Step 2: Convert to fraction form
    28,687.66/43,021.77 = 10,914.10/x
  3. Step 3: Cross multiply
    28,687.66x = 43,021.77 × 10,914.10
  4. Step 4: Simplify right side
    28,687.66x = 469,543,899.96
  5. Step 5: Solve for x
    x = 469,543,899.96/28,687.66
  6. Step 6: Final answer
    x = 16,367.45

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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.