Home / 26,321.40-39,459.96-21,641.76

Finding the Fourth Proportional to 26,321.40, 39,459.96 and 21,641.76

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Solution

The fourth proportional to 26,321.40, 39,459.96 and 21,641.76 is: 32,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.40 : 39,459.96 = 21,641.76 : x
  2. Step 2: Convert to fraction form
    26,321.40/39,459.96 = 21,641.76/x
  3. Step 3: Cross multiply
    26,321.40x = 39,459.96 × 21,641.76
  4. Step 4: Simplify right side
    26,321.40x = 853,982,983.93
  5. Step 5: Solve for x
    x = 853,982,983.93/26,321.40
  6. Step 6: Final answer
    x = 32,444.44

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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.