Home / 26,378.06-39,576.82-13,897.58

Finding the Fourth Proportional to 26,378.06, 39,576.82 and 13,897.58

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Solution

The fourth proportional to 26,378.06, 39,576.82 and 13,897.58 is: 20,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.06 : 39,576.82 = 13,897.58 : x
  2. Step 2: Convert to fraction form
    26,378.06/39,576.82 = 13,897.58/x
  3. Step 3: Cross multiply
    26,378.06x = 39,576.82 × 13,897.58
  4. Step 4: Simplify right side
    26,378.06x = 550,022,086.29
  5. Step 5: Solve for x
    x = 550,022,086.29/26,378.06
  6. Step 6: Final answer
    x = 20,851.50

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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.