Home / 20,475.59-28,266.98-13,796.33

Finding the Fourth Proportional to 20,475.59, 28,266.98 and 13,796.33

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Solution

The fourth proportional to 20,475.59, 28,266.98 and 13,796.33 is: 19,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,475.59 : 28,266.98 = 13,796.33 : x
  2. Step 2: Convert to fraction form
    20,475.59/28,266.98 = 13,796.33/x
  3. Step 3: Cross multiply
    20,475.59x = 28,266.98 × 13,796.33
  4. Step 4: Simplify right side
    20,475.59x = 389,980,373.87
  5. Step 5: Solve for x
    x = 389,980,373.87/20,475.59
  6. Step 6: Final answer
    x = 19,046.12

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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.