Home / 26,867.76-40,308.46-15,783.82

Finding the Fourth Proportional to 26,867.76, 40,308.46 and 15,783.82

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Solution

The fourth proportional to 26,867.76, 40,308.46 and 15,783.82 is: 23,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,867.76 : 40,308.46 = 15,783.82 : x
  2. Step 2: Convert to fraction form
    26,867.76/40,308.46 = 15,783.82/x
  3. Step 3: Cross multiply
    26,867.76x = 40,308.46 × 15,783.82
  4. Step 4: Simplify right side
    26,867.76x = 636,221,477.12
  5. Step 5: Solve for x
    x = 636,221,477.12/26,867.76
  6. Step 6: Final answer
    x = 23,679.74

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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.