Home / 26,442.26-36,488-15,109.50

Finding the Fourth Proportional to 26,442.26, 36,488 and 15,109.50

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Solution

The fourth proportional to 26,442.26, 36,488 and 15,109.50 is: 20,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.26 : 36,488 = 15,109.50 : x
  2. Step 2: Convert to fraction form
    26,442.26/36,488 = 15,109.50/x
  3. Step 3: Cross multiply
    26,442.26x = 36,488 × 15,109.50
  4. Step 4: Simplify right side
    26,442.26x = 551,315,436
  5. Step 5: Solve for x
    x = 551,315,436/26,442.26
  6. Step 6: Final answer
    x = 20,849.79

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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.