Home / 26,148.78-39,222.83-6,427.51

Finding the Fourth Proportional to 26,148.78, 39,222.83 and 6,427.51

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Solution

The fourth proportional to 26,148.78, 39,222.83 and 6,427.51 is: 9,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,148.78 : 39,222.83 = 6,427.51 : x
  2. Step 2: Convert to fraction form
    26,148.78/39,222.83 = 6,427.51/x
  3. Step 3: Cross multiply
    26,148.78x = 39,222.83 × 6,427.51
  4. Step 4: Simplify right side
    26,148.78x = 252,105,132.05
  5. Step 5: Solve for x
    x = 252,105,132.05/26,148.78
  6. Step 6: Final answer
    x = 9,641.18

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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.