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Finding the Fourth Proportional to 26,697.60, 36,842.04 and 14,760.64

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Solution

The fourth proportional to 26,697.60, 36,842.04 and 14,760.64 is: 20,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,697.60 : 36,842.04 = 14,760.64 : x
  2. Step 2: Convert to fraction form
    26,697.60/36,842.04 = 14,760.64/x
  3. Step 3: Cross multiply
    26,697.60x = 36,842.04 × 14,760.64
  4. Step 4: Simplify right side
    26,697.60x = 543,812,089.31
  5. Step 5: Solve for x
    x = 543,812,089.31/26,697.60
  6. Step 6: Final answer
    x = 20,369.32

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1.5x scale

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.