Home / 20,054.79-27,661.91-13,756.23

Finding the Fourth Proportional to 20,054.79, 27,661.91 and 13,756.23

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Solution

The fourth proportional to 20,054.79, 27,661.91 and 13,756.23 is: 18,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.79 : 27,661.91 = 13,756.23 : x
  2. Step 2: Convert to fraction form
    20,054.79/27,661.91 = 13,756.23/x
  3. Step 3: Cross multiply
    20,054.79x = 27,661.91 × 13,756.23
  4. Step 4: Simplify right side
    20,054.79x = 380,523,527.42
  5. Step 5: Solve for x
    x = 380,523,527.42/20,054.79
  6. Step 6: Final answer
    x = 18,974.20

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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.