Home / 26,190-36,142.14-14,253.30

Finding the Fourth Proportional to 26,190, 36,142.14 and 14,253.30

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Solution

The fourth proportional to 26,190, 36,142.14 and 14,253.30 is: 19,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190 : 36,142.14 = 14,253.30 : x
  2. Step 2: Convert to fraction form
    26,190/36,142.14 = 14,253.30/x
  3. Step 3: Cross multiply
    26,190x = 36,142.14 × 14,253.30
  4. Step 4: Simplify right side
    26,190x = 515,144,764.06
  5. Step 5: Solve for x
    x = 515,144,764.06/26,190
  6. Step 6: Final answer
    x = 19,669.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.