Home / 20,169.16-27,785.26-14,108.08

Finding the Fourth Proportional to 20,169.16, 27,785.26 and 14,108.08

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Solution

The fourth proportional to 20,169.16, 27,785.26 and 14,108.08 is: 19,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.16 : 27,785.26 = 14,108.08 : x
  2. Step 2: Convert to fraction form
    20,169.16/27,785.26 = 14,108.08/x
  3. Step 3: Cross multiply
    20,169.16x = 27,785.26 × 14,108.08
  4. Step 4: Simplify right side
    20,169.16x = 391,996,670.90
  5. Step 5: Solve for x
    x = 391,996,670.90/20,169.16
  6. Step 6: Final answer
    x = 19,435.45

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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.