Home / 26,428.50-39,614.82-9,777.84

Finding the Fourth Proportional to 26,428.50, 39,614.82 and 9,777.84

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Solution

The fourth proportional to 26,428.50, 39,614.82 and 9,777.84 is: 14,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428.50 : 39,614.82 = 9,777.84 : x
  2. Step 2: Convert to fraction form
    26,428.50/39,614.82 = 9,777.84/x
  3. Step 3: Cross multiply
    26,428.50x = 39,614.82 × 9,777.84
  4. Step 4: Simplify right side
    26,428.50x = 387,347,371.59
  5. Step 5: Solve for x
    x = 387,347,371.59/26,428.50
  6. Step 6: Final answer
    x = 14,656.43

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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.