Home / 26,920.97-40,355.22-12,877.33

Finding the Fourth Proportional to 26,920.97, 40,355.22 and 12,877.33

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Solution

The fourth proportional to 26,920.97, 40,355.22 and 12,877.33 is: 19,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.97 : 40,355.22 = 12,877.33 : x
  2. Step 2: Convert to fraction form
    26,920.97/40,355.22 = 12,877.33/x
  3. Step 3: Cross multiply
    26,920.97x = 40,355.22 × 12,877.33
  4. Step 4: Simplify right side
    26,920.97x = 519,667,485.16
  5. Step 5: Solve for x
    x = 519,667,485.16/26,920.97
  6. Step 6: Final answer
    x = 19,303.45

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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.