Home / 26,292-36,282.96-15,120.48

Finding the Fourth Proportional to 26,292, 36,282.96 and 15,120.48

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Solution

The fourth proportional to 26,292, 36,282.96 and 15,120.48 is: 20,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,292 : 36,282.96 = 15,120.48 : x
  2. Step 2: Convert to fraction form
    26,292/36,282.96 = 15,120.48/x
  3. Step 3: Cross multiply
    26,292x = 36,282.96 × 15,120.48
  4. Step 4: Simplify right side
    26,292x = 548,615,771.02
  5. Step 5: Solve for x
    x = 548,615,771.02/26,292
  6. Step 6: Final answer
    x = 20,866.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.