Home / 20,261.14-27,952.90-12,707.75

Finding the Fourth Proportional to 20,261.14, 27,952.90 and 12,707.75

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Solution

The fourth proportional to 20,261.14, 27,952.90 and 12,707.75 is: 17,532.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.14 : 27,952.90 = 12,707.75 : x
  2. Step 2: Convert to fraction form
    20,261.14/27,952.90 = 12,707.75/x
  3. Step 3: Cross multiply
    20,261.14x = 27,952.90 × 12,707.75
  4. Step 4: Simplify right side
    20,261.14x = 355,218,503.09
  5. Step 5: Solve for x
    x = 355,218,503.09/20,261.14
  6. Step 6: Final answer
    x = 17,532.01

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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.