Home / 26,212.89-39,319.10-10,626.81

Finding the Fourth Proportional to 26,212.89, 39,319.10 and 10,626.81

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Solution

The fourth proportional to 26,212.89, 39,319.10 and 10,626.81 is: 15,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,212.89 : 39,319.10 = 10,626.81 : x
  2. Step 2: Convert to fraction form
    26,212.89/39,319.10 = 10,626.81/x
  3. Step 3: Cross multiply
    26,212.89x = 39,319.10 × 10,626.81
  4. Step 4: Simplify right side
    26,212.89x = 417,836,551.94
  5. Step 5: Solve for x
    x = 417,836,551.94/26,212.89
  6. Step 6: Final answer
    x = 15,940.12

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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.