Home / 25,647.44-35,360.57-21,031.22

Finding the Fourth Proportional to 25,647.44, 35,360.57 and 21,031.22

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Solution

The fourth proportional to 25,647.44, 35,360.57 and 21,031.22 is: 28,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,647.44 : 35,360.57 = 21,031.22 : x
  2. Step 2: Convert to fraction form
    25,647.44/35,360.57 = 21,031.22/x
  3. Step 3: Cross multiply
    25,647.44x = 35,360.57 × 21,031.22
  4. Step 4: Simplify right side
    25,647.44x = 743,675,797.42
  5. Step 5: Solve for x
    x = 743,675,797.42/25,647.44
  6. Step 6: Final answer
    x = 28,996.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.