Home / 22,824.80-34,237.20-21,075.20

Finding the Fourth Proportional to 22,824.80, 34,237.20 and 21,075.20

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Solution

The fourth proportional to 22,824.80, 34,237.20 and 21,075.20 is: 31,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,824.80 : 34,237.20 = 21,075.20 : x
  2. Step 2: Convert to fraction form
    22,824.80/34,237.20 = 21,075.20/x
  3. Step 3: Cross multiply
    22,824.80x = 34,237.20 × 21,075.20
  4. Step 4: Simplify right side
    22,824.80x = 721,555,837.44
  5. Step 5: Solve for x
    x = 721,555,837.44/22,824.80
  6. Step 6: Final answer
    x = 31,612.80

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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.