Home / 26,670.72-39,996.48-9,135.84

Finding the Fourth Proportional to 26,670.72, 39,996.48 and 9,135.84

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Solution

The fourth proportional to 26,670.72, 39,996.48 and 9,135.84 is: 13,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.72 : 39,996.48 = 9,135.84 : x
  2. Step 2: Convert to fraction form
    26,670.72/39,996.48 = 9,135.84/x
  3. Step 3: Cross multiply
    26,670.72x = 39,996.48 × 9,135.84
  4. Step 4: Simplify right side
    26,670.72x = 365,401,441.84
  5. Step 5: Solve for x
    x = 365,401,441.84/26,670.72
  6. Step 6: Final answer
    x = 13,700.47

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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.