Home / 26,913-40,357.72-13,577.79

Finding the Fourth Proportional to 26,913, 40,357.72 and 13,577.79

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Solution

The fourth proportional to 26,913, 40,357.72 and 13,577.79 is: 20,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913 : 40,357.72 = 13,577.79 : x
  2. Step 2: Convert to fraction form
    26,913/40,357.72 = 13,577.79/x
  3. Step 3: Cross multiply
    26,913x = 40,357.72 × 13,577.79
  4. Step 4: Simplify right side
    26,913x = 547,968,647.04
  5. Step 5: Solve for x
    x = 547,968,647.04/26,913
  6. Step 6: Final answer
    x = 20,360.74

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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.