Home / 26,778.22-36,958.52-15,445.68

Finding the Fourth Proportional to 26,778.22, 36,958.52 and 15,445.68

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Solution

The fourth proportional to 26,778.22, 36,958.52 and 15,445.68 is: 21,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.22 : 36,958.52 = 15,445.68 : x
  2. Step 2: Convert to fraction form
    26,778.22/36,958.52 = 15,445.68/x
  3. Step 3: Cross multiply
    26,778.22x = 36,958.52 × 15,445.68
  4. Step 4: Simplify right side
    26,778.22x = 570,849,473.19
  5. Step 5: Solve for x
    x = 570,849,473.19/26,778.22
  6. Step 6: Final answer
    x = 21,317.68

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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.