Home / 26,977.60-40,488.72-11,405.92

Finding the Fourth Proportional to 26,977.60, 40,488.72 and 11,405.92

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Solution

The fourth proportional to 26,977.60, 40,488.72 and 11,405.92 is: 17,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,977.60 : 40,488.72 = 11,405.92 : x
  2. Step 2: Convert to fraction form
    26,977.60/40,488.72 = 11,405.92/x
  3. Step 3: Cross multiply
    26,977.60x = 40,488.72 × 11,405.92
  4. Step 4: Simplify right side
    26,977.60x = 461,811,101.22
  5. Step 5: Solve for x
    x = 461,811,101.22/26,977.60
  6. Step 6: Final answer
    x = 17,118.32

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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.