Home / 26,423.20-39,630.93-7,698.21

Finding the Fourth Proportional to 26,423.20, 39,630.93 and 7,698.21

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Solution

The fourth proportional to 26,423.20, 39,630.93 and 7,698.21 is: 11,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,423.20 : 39,630.93 = 7,698.21 : x
  2. Step 2: Convert to fraction form
    26,423.20/39,630.93 = 7,698.21/x
  3. Step 3: Cross multiply
    26,423.20x = 39,630.93 × 7,698.21
  4. Step 4: Simplify right side
    26,423.20x = 305,087,221.64
  5. Step 5: Solve for x
    x = 305,087,221.64/26,423.20
  6. Step 6: Final answer
    x = 11,546.19

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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.