Home / 26,406.64-39,616.56-18,630.64

Finding the Fourth Proportional to 26,406.64, 39,616.56 and 18,630.64

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Solution

The fourth proportional to 26,406.64, 39,616.56 and 18,630.64 is: 27,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,406.64 : 39,616.56 = 18,630.64 : x
  2. Step 2: Convert to fraction form
    26,406.64/39,616.56 = 18,630.64/x
  3. Step 3: Cross multiply
    26,406.64x = 39,616.56 × 18,630.64
  4. Step 4: Simplify right side
    26,406.64x = 738,081,867.40
  5. Step 5: Solve for x
    x = 738,081,867.40/26,406.64
  6. Step 6: Final answer
    x = 27,950.62

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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.