Home / 26,458.60-39,679.70-10,662.99

Finding the Fourth Proportional to 26,458.60, 39,679.70 and 10,662.99

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Solution

The fourth proportional to 26,458.60, 39,679.70 and 10,662.99 is: 15,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,458.60 : 39,679.70 = 10,662.99 : x
  2. Step 2: Convert to fraction form
    26,458.60/39,679.70 = 10,662.99/x
  3. Step 3: Cross multiply
    26,458.60x = 39,679.70 × 10,662.99
  4. Step 4: Simplify right side
    26,458.60x = 423,104,295.38
  5. Step 5: Solve for x
    x = 423,104,295.38/26,458.60
  6. Step 6: Final answer
    x = 15,991.18

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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.