Home / 26,987.41-40,481.52-12,186.01

Finding the Fourth Proportional to 26,987.41, 40,481.52 and 12,186.01

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Solution

The fourth proportional to 26,987.41, 40,481.52 and 12,186.01 is: 18,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.41 : 40,481.52 = 12,186.01 : x
  2. Step 2: Convert to fraction form
    26,987.41/40,481.52 = 12,186.01/x
  3. Step 3: Cross multiply
    26,987.41x = 40,481.52 × 12,186.01
  4. Step 4: Simplify right side
    26,987.41x = 493,307,944.20
  5. Step 5: Solve for x
    x = 493,307,944.20/26,987.41
  6. Step 6: Final answer
    x = 18,279.19

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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.