Home / 20,195.16-27,859.75-14,230.11

Finding the Fourth Proportional to 20,195.16, 27,859.75 and 14,230.11

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Solution

The fourth proportional to 20,195.16, 27,859.75 and 14,230.11 is: 19,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.16 : 27,859.75 = 14,230.11 : x
  2. Step 2: Convert to fraction form
    20,195.16/27,859.75 = 14,230.11/x
  3. Step 3: Cross multiply
    20,195.16x = 27,859.75 × 14,230.11
  4. Step 4: Simplify right side
    20,195.16x = 396,447,271.50
  5. Step 5: Solve for x
    x = 396,447,271.50/20,195.16
  6. Step 6: Final answer
    x = 19,630.81

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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.