Home / 20,292.16-28,004.62-12,332.84

Finding the Fourth Proportional to 20,292.16, 28,004.62 and 12,332.84

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Solution

The fourth proportional to 20,292.16, 28,004.62 and 12,332.84 is: 17,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.16 : 28,004.62 = 12,332.84 : x
  2. Step 2: Convert to fraction form
    20,292.16/28,004.62 = 12,332.84/x
  3. Step 3: Cross multiply
    20,292.16x = 28,004.62 × 12,332.84
  4. Step 4: Simplify right side
    20,292.16x = 345,376,497.72
  5. Step 5: Solve for x
    x = 345,376,497.72/20,292.16
  6. Step 6: Final answer
    x = 17,020.19

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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.