Home / 28,097.20-42,131.22-14,042.08

Finding the Fourth Proportional to 28,097.20, 42,131.22 and 14,042.08

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Solution

The fourth proportional to 28,097.20, 42,131.22 and 14,042.08 is: 21,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.20 : 42,131.22 = 14,042.08 : x
  2. Step 2: Convert to fraction form
    28,097.20/42,131.22 = 14,042.08/x
  3. Step 3: Cross multiply
    28,097.20x = 42,131.22 × 14,042.08
  4. Step 4: Simplify right side
    28,097.20x = 591,609,961.74
  5. Step 5: Solve for x
    x = 591,609,961.74/28,097.20
  6. Step 6: Final answer
    x = 21,055.83

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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.