Home / 26,428.49-39,642.69-6,437.97

Finding the Fourth Proportional to 26,428.49, 39,642.69 and 6,437.97

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Solution

The fourth proportional to 26,428.49, 39,642.69 and 6,437.97 is: 9,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428.49 : 39,642.69 = 6,437.97 : x
  2. Step 2: Convert to fraction form
    26,428.49/39,642.69 = 6,437.97/x
  3. Step 3: Cross multiply
    26,428.49x = 39,642.69 × 6,437.97
  4. Step 4: Simplify right side
    26,428.49x = 255,218,250.73
  5. Step 5: Solve for x
    x = 255,218,250.73/26,428.49
  6. Step 6: Final answer
    x = 9,656.94

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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.