Home / 26,840.10-37,074.22-20,427.74

Finding the Fourth Proportional to 26,840.10, 37,074.22 and 20,427.74

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Solution

The fourth proportional to 26,840.10, 37,074.22 and 20,427.74 is: 28,216.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.10 : 37,074.22 = 20,427.74 : x
  2. Step 2: Convert to fraction form
    26,840.10/37,074.22 = 20,427.74/x
  3. Step 3: Cross multiply
    26,840.10x = 37,074.22 × 20,427.74
  4. Step 4: Simplify right side
    26,840.10x = 757,342,526.86
  5. Step 5: Solve for x
    x = 757,342,526.86/26,840.10
  6. Step 6: Final answer
    x = 28,216.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.