Home / 26,353.12-36,363.72-15,740.50

Finding the Fourth Proportional to 26,353.12, 36,363.72 and 15,740.50

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Solution

The fourth proportional to 26,353.12, 36,363.72 and 15,740.50 is: 21,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,353.12 : 36,363.72 = 15,740.50 : x
  2. Step 2: Convert to fraction form
    26,353.12/36,363.72 = 15,740.50/x
  3. Step 3: Cross multiply
    26,353.12x = 36,363.72 × 15,740.50
  4. Step 4: Simplify right side
    26,353.12x = 572,383,134.66
  5. Step 5: Solve for x
    x = 572,383,134.66/26,353.12
  6. Step 6: Final answer
    x = 21,719.75

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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.