Home / 26,352.12-36,321.90-21,861.48

Finding the Fourth Proportional to 26,352.12, 36,321.90 and 21,861.48

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Solution

The fourth proportional to 26,352.12, 36,321.90 and 21,861.48 is: 30,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,352.12 : 36,321.90 = 21,861.48 : x
  2. Step 2: Convert to fraction form
    26,352.12/36,321.90 = 21,861.48/x
  3. Step 3: Cross multiply
    26,352.12x = 36,321.90 × 21,861.48
  4. Step 4: Simplify right side
    26,352.12x = 794,050,490.41
  5. Step 5: Solve for x
    x = 794,050,490.41/26,352.12
  6. Step 6: Final answer
    x = 30,132.32

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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.