Home / 28,182.30-38,891.62-16,246.45

Finding the Fourth Proportional to 28,182.30, 38,891.62 and 16,246.45

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Solution

The fourth proportional to 28,182.30, 38,891.62 and 16,246.45 is: 22,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.30 : 38,891.62 = 16,246.45 : x
  2. Step 2: Convert to fraction form
    28,182.30/38,891.62 = 16,246.45/x
  3. Step 3: Cross multiply
    28,182.30x = 38,891.62 × 16,246.45
  4. Step 4: Simplify right side
    28,182.30x = 631,850,673.60
  5. Step 5: Solve for x
    x = 631,850,673.60/28,182.30
  6. Step 6: Final answer
    x = 22,420.12

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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.