Home / 20,049.02-27,657.90-13,245.71

Finding the Fourth Proportional to 20,049.02, 27,657.90 and 13,245.71

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Solution

The fourth proportional to 20,049.02, 27,657.90 and 13,245.71 is: 18,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.02 : 27,657.90 = 13,245.71 : x
  2. Step 2: Convert to fraction form
    20,049.02/27,657.90 = 13,245.71/x
  3. Step 3: Cross multiply
    20,049.02x = 27,657.90 × 13,245.71
  4. Step 4: Simplify right side
    20,049.02x = 366,348,384.32
  5. Step 5: Solve for x
    x = 366,348,384.32/20,049.02
  6. Step 6: Final answer
    x = 18,272.64

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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.