Home / 26,015.20-39,021.31-7,039.55

Finding the Fourth Proportional to 26,015.20, 39,021.31 and 7,039.55

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Solution

The fourth proportional to 26,015.20, 39,021.31 and 7,039.55 is: 10,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,015.20 : 39,021.31 = 7,039.55 : x
  2. Step 2: Convert to fraction form
    26,015.20/39,021.31 = 7,039.55/x
  3. Step 3: Cross multiply
    26,015.20x = 39,021.31 × 7,039.55
  4. Step 4: Simplify right side
    26,015.20x = 274,692,462.81
  5. Step 5: Solve for x
    x = 274,692,462.81/26,015.20
  6. Step 6: Final answer
    x = 10,558.92

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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.