Home / 26,401.90-39,609.08-7,682.35

Finding the Fourth Proportional to 26,401.90, 39,609.08 and 7,682.35

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Solution

The fourth proportional to 26,401.90, 39,609.08 and 7,682.35 is: 11,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.90 : 39,609.08 = 7,682.35 : x
  2. Step 2: Convert to fraction form
    26,401.90/39,609.08 = 7,682.35/x
  3. Step 3: Cross multiply
    26,401.90x = 39,609.08 × 7,682.35
  4. Step 4: Simplify right side
    26,401.90x = 304,290,815.74
  5. Step 5: Solve for x
    x = 304,290,815.74/26,401.90
  6. Step 6: Final answer
    x = 11,525.34

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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.