Home / 26,910.36-40,365.56-12,867.07

Finding the Fourth Proportional to 26,910.36, 40,365.56 and 12,867.07

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Solution

The fourth proportional to 26,910.36, 40,365.56 and 12,867.07 is: 19,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.36 : 40,365.56 = 12,867.07 : x
  2. Step 2: Convert to fraction form
    26,910.36/40,365.56 = 12,867.07/x
  3. Step 3: Cross multiply
    26,910.36x = 40,365.56 × 12,867.07
  4. Step 4: Simplify right side
    26,910.36x = 519,386,486.11
  5. Step 5: Solve for x
    x = 519,386,486.11/26,910.36
  6. Step 6: Final answer
    x = 19,300.61

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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.