Home / 28,936.01-43,405.50-8,161.13

Finding the Fourth Proportional to 28,936.01, 43,405.50 and 8,161.13

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Solution

The fourth proportional to 28,936.01, 43,405.50 and 8,161.13 is: 12,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.01 : 43,405.50 = 8,161.13 : x
  2. Step 2: Convert to fraction form
    28,936.01/43,405.50 = 8,161.13/x
  3. Step 3: Cross multiply
    28,936.01x = 43,405.50 × 8,161.13
  4. Step 4: Simplify right side
    28,936.01x = 354,237,928.22
  5. Step 5: Solve for x
    x = 354,237,928.22/28,936.01
  6. Step 6: Final answer
    x = 12,242.11

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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.