Home / 26,429.85-39,644.26-6,439.46

Finding the Fourth Proportional to 26,429.85, 39,644.26 and 6,439.46

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Solution

The fourth proportional to 26,429.85, 39,644.26 and 6,439.46 is: 9,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.85 : 39,644.26 = 6,439.46 : x
  2. Step 2: Convert to fraction form
    26,429.85/39,644.26 = 6,439.46/x
  3. Step 3: Cross multiply
    26,429.85x = 39,644.26 × 6,439.46
  4. Step 4: Simplify right side
    26,429.85x = 255,287,412.18
  5. Step 5: Solve for x
    x = 255,287,412.18/26,429.85
  6. Step 6: Final answer
    x = 9,659.06

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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.