Home / 27,261.04-40,852.84-20,997.36

Finding the Fourth Proportional to 27,261.04, 40,852.84 and 20,997.36

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Solution

The fourth proportional to 27,261.04, 40,852.84 and 20,997.36 is: 31,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.04 : 40,852.84 = 20,997.36 : x
  2. Step 2: Convert to fraction form
    27,261.04/40,852.84 = 20,997.36/x
  3. Step 3: Cross multiply
    27,261.04x = 40,852.84 × 20,997.36
  4. Step 4: Simplify right side
    27,261.04x = 857,801,788.50
  5. Step 5: Solve for x
    x = 857,801,788.50/27,261.04
  6. Step 6: Final answer
    x = 31,466.22

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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.