Home / 26,777.42-40,165.80-10,978.92

Finding the Fourth Proportional to 26,777.42, 40,165.80 and 10,978.92

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Solution

The fourth proportional to 26,777.42, 40,165.80 and 10,978.92 is: 16,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,777.42 : 40,165.80 = 10,978.92 : x
  2. Step 2: Convert to fraction form
    26,777.42/40,165.80 = 10,978.92/x
  3. Step 3: Cross multiply
    26,777.42x = 40,165.80 × 10,978.92
  4. Step 4: Simplify right side
    26,777.42x = 440,977,104.94
  5. Step 5: Solve for x
    x = 440,977,104.94/26,777.42
  6. Step 6: Final answer
    x = 16,468.24

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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.