Home / 26,313.48-39,414.12-21,294.36

Finding the Fourth Proportional to 26,313.48, 39,414.12 and 21,294.36

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Solution

The fourth proportional to 26,313.48, 39,414.12 and 21,294.36 is: 31,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313.48 : 39,414.12 = 21,294.36 : x
  2. Step 2: Convert to fraction form
    26,313.48/39,414.12 = 21,294.36/x
  3. Step 3: Cross multiply
    26,313.48x = 39,414.12 × 21,294.36
  4. Step 4: Simplify right side
    26,313.48x = 839,298,460.36
  5. Step 5: Solve for x
    x = 839,298,460.36/26,313.48
  6. Step 6: Final answer
    x = 31,896.14

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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.