Home / 26,788.60-40,186.14-10,144.72

Finding the Fourth Proportional to 26,788.60, 40,186.14 and 10,144.72

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Solution

The fourth proportional to 26,788.60, 40,186.14 and 10,144.72 is: 15,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.60 : 40,186.14 = 10,144.72 : x
  2. Step 2: Convert to fraction form
    26,788.60/40,186.14 = 10,144.72/x
  3. Step 3: Cross multiply
    26,788.60x = 40,186.14 × 10,144.72
  4. Step 4: Simplify right side
    26,788.60x = 407,677,138.18
  5. Step 5: Solve for x
    x = 407,677,138.18/26,788.60
  6. Step 6: Final answer
    x = 15,218.31

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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.