Home / 35,231.36-52,831.68-13,328

Finding the Fourth Proportional to 35,231.36, 52,831.68 and 13,328

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Solution

The fourth proportional to 35,231.36, 52,831.68 and 13,328 is: 19,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,231.36 : 52,831.68 = 13,328 : x
  2. Step 2: Convert to fraction form
    35,231.36/52,831.68 = 13,328/x
  3. Step 3: Cross multiply
    35,231.36x = 52,831.68 × 13,328
  4. Step 4: Simplify right side
    35,231.36x = 704,140,631.04
  5. Step 5: Solve for x
    x = 704,140,631.04/35,231.36
  6. Step 6: Final answer
    x = 19,986.19

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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.