Home / 28,936.51-43,406.25-8,161.63

Finding the Fourth Proportional to 28,936.51, 43,406.25 and 8,161.63

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Solution

The fourth proportional to 28,936.51, 43,406.25 and 8,161.63 is: 12,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.51 : 43,406.25 = 8,161.63 : x
  2. Step 2: Convert to fraction form
    28,936.51/43,406.25 = 8,161.63/x
  3. Step 3: Cross multiply
    28,936.51x = 43,406.25 × 8,161.63
  4. Step 4: Simplify right side
    28,936.51x = 354,265,752.19
  5. Step 5: Solve for x
    x = 354,265,752.19/28,936.51
  6. Step 6: Final answer
    x = 12,242.86

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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.