Home / 22,780.02-34,232.31-21,285.30

Finding the Fourth Proportional to 22,780.02, 34,232.31 and 21,285.30

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Solution

The fourth proportional to 22,780.02, 34,232.31 and 21,285.30 is: 31,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.02 : 34,232.31 = 21,285.30 : x
  2. Step 2: Convert to fraction form
    22,780.02/34,232.31 = 21,285.30/x
  3. Step 3: Cross multiply
    22,780.02x = 34,232.31 × 21,285.30
  4. Step 4: Simplify right side
    22,780.02x = 728,644,988.04
  5. Step 5: Solve for x
    x = 728,644,988.04/22,780.02
  6. Step 6: Final answer
    x = 31,986.14

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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.