Home / 26,301.48-39,629.76-21,724.05

Finding the Fourth Proportional to 26,301.48, 39,629.76 and 21,724.05

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Solution

The fourth proportional to 26,301.48, 39,629.76 and 21,724.05 is: 32,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,301.48 : 39,629.76 = 21,724.05 : x
  2. Step 2: Convert to fraction form
    26,301.48/39,629.76 = 21,724.05/x
  3. Step 3: Cross multiply
    26,301.48x = 39,629.76 × 21,724.05
  4. Step 4: Simplify right side
    26,301.48x = 860,918,731.96
  5. Step 5: Solve for x
    x = 860,918,731.96/26,301.48
  6. Step 6: Final answer
    x = 32,732.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.