Home / 26,637.57-39,949.47-7,912.59

Finding the Fourth Proportional to 26,637.57, 39,949.47 and 7,912.59

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Solution

The fourth proportional to 26,637.57, 39,949.47 and 7,912.59 is: 11,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,637.57 : 39,949.47 = 7,912.59 : x
  2. Step 2: Convert to fraction form
    26,637.57/39,949.47 = 7,912.59/x
  3. Step 3: Cross multiply
    26,637.57x = 39,949.47 × 7,912.59
  4. Step 4: Simplify right side
    26,637.57x = 316,103,776.83
  5. Step 5: Solve for x
    x = 316,103,776.83/26,637.57
  6. Step 6: Final answer
    x = 11,866.84

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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.