Home / 26,665.36-40,003.70-9,130.48

Finding the Fourth Proportional to 26,665.36, 40,003.70 and 9,130.48

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Solution

The fourth proportional to 26,665.36, 40,003.70 and 9,130.48 is: 13,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.36 : 40,003.70 = 9,130.48 : x
  2. Step 2: Convert to fraction form
    26,665.36/40,003.70 = 9,130.48/x
  3. Step 3: Cross multiply
    26,665.36x = 40,003.70 × 9,130.48
  4. Step 4: Simplify right side
    26,665.36x = 365,252,982.78
  5. Step 5: Solve for x
    x = 365,252,982.78/26,665.36
  6. Step 6: Final answer
    x = 13,697.66

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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.