Home / 20,009.59-27,580.30-14,190.64

Finding the Fourth Proportional to 20,009.59, 27,580.30 and 14,190.64

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Solution

The fourth proportional to 20,009.59, 27,580.30 and 14,190.64 is: 19,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.59 : 27,580.30 = 14,190.64 : x
  2. Step 2: Convert to fraction form
    20,009.59/27,580.30 = 14,190.64/x
  3. Step 3: Cross multiply
    20,009.59x = 27,580.30 × 14,190.64
  4. Step 4: Simplify right side
    20,009.59x = 391,382,108.39
  5. Step 5: Solve for x
    x = 391,382,108.39/20,009.59
  6. Step 6: Final answer
    x = 19,559.73

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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.