Home / 31,250.55-43,145.90-27,887.60

Finding the Fourth Proportional to 31,250.55, 43,145.90 and 27,887.60

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Solution

The fourth proportional to 31,250.55, 43,145.90 and 27,887.60 is: 38,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250.55 : 43,145.90 = 27,887.60 : x
  2. Step 2: Convert to fraction form
    31,250.55/43,145.90 = 27,887.60/x
  3. Step 3: Cross multiply
    31,250.55x = 43,145.90 × 27,887.60
  4. Step 4: Simplify right side
    31,250.55x = 1,203,235,245.67
  5. Step 5: Solve for x
    x = 1,203,235,245.67/31,250.55
  6. Step 6: Final answer
    x = 38,502.85

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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.