Home / 26,430.46-39,644.92-10,630.60

Finding the Fourth Proportional to 26,430.46, 39,644.92 and 10,630.60

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Solution

The fourth proportional to 26,430.46, 39,644.92 and 10,630.60 is: 15,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.46 : 39,644.92 = 10,630.60 : x
  2. Step 2: Convert to fraction form
    26,430.46/39,644.92 = 10,630.60/x
  3. Step 3: Cross multiply
    26,430.46x = 39,644.92 × 10,630.60
  4. Step 4: Simplify right side
    26,430.46x = 421,449,286.55
  5. Step 5: Solve for x
    x = 421,449,286.55/26,430.46
  6. Step 6: Final answer
    x = 15,945.59

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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.