Home / 26,777.69-40,157.29-10,978.24

Finding the Fourth Proportional to 26,777.69, 40,157.29 and 10,978.24

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Solution

The fourth proportional to 26,777.69, 40,157.29 and 10,978.24 is: 16,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,777.69 : 40,157.29 = 10,978.24 : x
  2. Step 2: Convert to fraction form
    26,777.69/40,157.29 = 10,978.24/x
  3. Step 3: Cross multiply
    26,777.69x = 40,157.29 × 10,978.24
  4. Step 4: Simplify right side
    26,777.69x = 440,856,367.37
  5. Step 5: Solve for x
    x = 440,856,367.37/26,777.69
  6. Step 6: Final answer
    x = 16,463.57

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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.