Home / 26,447.92-36,488.64-15,109.28

Finding the Fourth Proportional to 26,447.92, 36,488.64 and 15,109.28

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Solution

The fourth proportional to 26,447.92, 36,488.64 and 15,109.28 is: 20,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,447.92 : 36,488.64 = 15,109.28 : x
  2. Step 2: Convert to fraction form
    26,447.92/36,488.64 = 15,109.28/x
  3. Step 3: Cross multiply
    26,447.92x = 36,488.64 × 15,109.28
  4. Step 4: Simplify right side
    26,447.92x = 551,317,078.58
  5. Step 5: Solve for x
    x = 551,317,078.58/26,447.92
  6. Step 6: Final answer
    x = 20,845.39

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1.5x scale

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.