Home / 20,205.83-27,883.65-13,832.26

Finding the Fourth Proportional to 20,205.83, 27,883.65 and 13,832.26

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Solution

The fourth proportional to 20,205.83, 27,883.65 and 13,832.26 is: 19,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.83 : 27,883.65 = 13,832.26 : x
  2. Step 2: Convert to fraction form
    20,205.83/27,883.65 = 13,832.26/x
  3. Step 3: Cross multiply
    20,205.83x = 27,883.65 × 13,832.26
  4. Step 4: Simplify right side
    20,205.83x = 385,693,991.64
  5. Step 5: Solve for x
    x = 385,693,991.64/20,205.83
  6. Step 6: Final answer
    x = 19,088.25

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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.