Home / 28,131.57-42,203.97-14,097.51

Finding the Fourth Proportional to 28,131.57, 42,203.97 and 14,097.51

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Solution

The fourth proportional to 28,131.57, 42,203.97 and 14,097.51 is: 21,149.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,131.57 : 42,203.97 = 14,097.51 : x
  2. Step 2: Convert to fraction form
    28,131.57/42,203.97 = 14,097.51/x
  3. Step 3: Cross multiply
    28,131.57x = 42,203.97 × 14,097.51
  4. Step 4: Simplify right side
    28,131.57x = 594,970,889.11
  5. Step 5: Solve for x
    x = 594,970,889.11/28,131.57
  6. Step 6: Final answer
    x = 21,149.58

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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.