Home / 26,454.78-39,675.45-9,805.62

Finding the Fourth Proportional to 26,454.78, 39,675.45 and 9,805.62

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Solution

The fourth proportional to 26,454.78, 39,675.45 and 9,805.62 is: 14,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,454.78 : 39,675.45 = 9,805.62 : x
  2. Step 2: Convert to fraction form
    26,454.78/39,675.45 = 9,805.62/x
  3. Step 3: Cross multiply
    26,454.78x = 39,675.45 × 9,805.62
  4. Step 4: Simplify right side
    26,454.78x = 389,042,386.03
  5. Step 5: Solve for x
    x = 389,042,386.03/26,454.78
  6. Step 6: Final answer
    x = 14,705.94

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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.