Home / 26,448.40-39,673.56-8,918.38

Finding the Fourth Proportional to 26,448.40, 39,673.56 and 8,918.38

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Solution

The fourth proportional to 26,448.40, 39,673.56 and 8,918.38 is: 13,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448.40 : 39,673.56 = 8,918.38 : x
  2. Step 2: Convert to fraction form
    26,448.40/39,673.56 = 8,918.38/x
  3. Step 3: Cross multiply
    26,448.40x = 39,673.56 × 8,918.38
  4. Step 4: Simplify right side
    26,448.40x = 353,823,884.03
  5. Step 5: Solve for x
    x = 353,823,884.03/26,448.40
  6. Step 6: Final answer
    x = 13,377.89

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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.