Home / 28,760.10-43,172.55-22,215.30

Finding the Fourth Proportional to 28,760.10, 43,172.55 and 22,215.30

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Solution

The fourth proportional to 28,760.10, 43,172.55 and 22,215.30 is: 33,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.10 : 43,172.55 = 22,215.30 : x
  2. Step 2: Convert to fraction form
    28,760.10/43,172.55 = 22,215.30/x
  3. Step 3: Cross multiply
    28,760.10x = 43,172.55 × 22,215.30
  4. Step 4: Simplify right side
    28,760.10x = 959,091,150.02
  5. Step 5: Solve for x
    x = 959,091,150.02/28,760.10
  6. Step 6: Final answer
    x = 33,347.98

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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.