Home / 28,234.85-39,004.63-22,562.15

Finding the Fourth Proportional to 28,234.85, 39,004.63 and 22,562.15

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Solution

The fourth proportional to 28,234.85, 39,004.63 and 22,562.15 is: 31,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.85 : 39,004.63 = 22,562.15 : x
  2. Step 2: Convert to fraction form
    28,234.85/39,004.63 = 22,562.15/x
  3. Step 3: Cross multiply
    28,234.85x = 39,004.63 × 22,562.15
  4. Step 4: Simplify right side
    28,234.85x = 880,028,419.20
  5. Step 5: Solve for x
    x = 880,028,419.20/28,234.85
  6. Step 6: Final answer
    x = 31,168.16

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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.