Home / 26,420.48-39,619.92-11,428.46

Finding the Fourth Proportional to 26,420.48, 39,619.92 and 11,428.46

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Solution

The fourth proportional to 26,420.48, 39,619.92 and 11,428.46 is: 17,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.48 : 39,619.92 = 11,428.46 : x
  2. Step 2: Convert to fraction form
    26,420.48/39,619.92 = 11,428.46/x
  3. Step 3: Cross multiply
    26,420.48x = 39,619.92 × 11,428.46
  4. Step 4: Simplify right side
    26,420.48x = 452,794,670.92
  5. Step 5: Solve for x
    x = 452,794,670.92/26,420.48
  6. Step 6: Final answer
    x = 17,138.02

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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.