Home / 17,602.85-26,401.55-5,120.31

Finding the Fourth Proportional to 17,602.85, 26,401.55 and 5,120.31

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Solution

The fourth proportional to 17,602.85, 26,401.55 and 5,120.31 is: 7,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,602.85 : 26,401.55 = 5,120.31 : x
  2. Step 2: Convert to fraction form
    17,602.85/26,401.55 = 5,120.31/x
  3. Step 3: Cross multiply
    17,602.85x = 26,401.55 × 5,120.31
  4. Step 4: Simplify right side
    17,602.85x = 135,184,193.88
  5. Step 5: Solve for x
    x = 135,184,193.88/17,602.85
  6. Step 6: Final answer
    x = 7,679.68

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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.