Home / 26,448.12-39,612.24-21,892.68

Finding the Fourth Proportional to 26,448.12, 39,612.24 and 21,892.68

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Solution

The fourth proportional to 26,448.12, 39,612.24 and 21,892.68 is: 32,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448.12 : 39,612.24 = 21,892.68 : x
  2. Step 2: Convert to fraction form
    26,448.12/39,612.24 = 21,892.68/x
  3. Step 3: Cross multiply
    26,448.12x = 39,612.24 × 21,892.68
  4. Step 4: Simplify right side
    26,448.12x = 867,218,094.40
  5. Step 5: Solve for x
    x = 867,218,094.40/26,448.12
  6. Step 6: Final answer
    x = 32,789.40

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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.