Home / 26,705.90-40,046.70-11,907.20

Finding the Fourth Proportional to 26,705.90, 40,046.70 and 11,907.20

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Solution

The fourth proportional to 26,705.90, 40,046.70 and 11,907.20 is: 17,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,705.90 : 40,046.70 = 11,907.20 : x
  2. Step 2: Convert to fraction form
    26,705.90/40,046.70 = 11,907.20/x
  3. Step 3: Cross multiply
    26,705.90x = 40,046.70 × 11,907.20
  4. Step 4: Simplify right side
    26,705.90x = 476,844,066.24
  5. Step 5: Solve for x
    x = 476,844,066.24/26,705.90
  6. Step 6: Final answer
    x = 17,855.38

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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.