Home / 26,628.69-39,936.18-7,904.28

Finding the Fourth Proportional to 26,628.69, 39,936.18 and 7,904.28

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Solution

The fourth proportional to 26,628.69, 39,936.18 and 7,904.28 is: 11,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.69 : 39,936.18 = 7,904.28 : x
  2. Step 2: Convert to fraction form
    26,628.69/39,936.18 = 7,904.28/x
  3. Step 3: Cross multiply
    26,628.69x = 39,936.18 × 7,904.28
  4. Step 4: Simplify right side
    26,628.69x = 315,666,748.85
  5. Step 5: Solve for x
    x = 315,666,748.85/26,628.69
  6. Step 6: Final answer
    x = 11,854.39

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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.