Home / 20,068.09-27,667.70-17,265.56

Finding the Fourth Proportional to 20,068.09, 27,667.70 and 17,265.56

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Solution

The fourth proportional to 20,068.09, 27,667.70 and 17,265.56 is: 23,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.09 : 27,667.70 = 17,265.56 : x
  2. Step 2: Convert to fraction form
    20,068.09/27,667.70 = 17,265.56/x
  3. Step 3: Cross multiply
    20,068.09x = 27,667.70 × 17,265.56
  4. Step 4: Simplify right side
    20,068.09x = 477,698,456.50
  5. Step 5: Solve for x
    x = 477,698,456.50/20,068.09
  6. Step 6: Final answer
    x = 23,803.89

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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.