Home / 26,685.60-40,040.64-11,904.12

Finding the Fourth Proportional to 26,685.60, 40,040.64 and 11,904.12

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Solution

The fourth proportional to 26,685.60, 40,040.64 and 11,904.12 is: 17,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.60 : 40,040.64 = 11,904.12 : x
  2. Step 2: Convert to fraction form
    26,685.60/40,040.64 = 11,904.12/x
  3. Step 3: Cross multiply
    26,685.60x = 40,040.64 × 11,904.12
  4. Step 4: Simplify right side
    26,685.60x = 476,648,583.44
  5. Step 5: Solve for x
    x = 476,648,583.44/26,685.60
  6. Step 6: Final answer
    x = 17,861.64

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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.