Home / 20,292.93-28,002.11-12,332.25

Finding the Fourth Proportional to 20,292.93, 28,002.11 and 12,332.25

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Solution

The fourth proportional to 20,292.93, 28,002.11 and 12,332.25 is: 17,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.93 : 28,002.11 = 12,332.25 : x
  2. Step 2: Convert to fraction form
    20,292.93/28,002.11 = 12,332.25/x
  3. Step 3: Cross multiply
    20,292.93x = 28,002.11 × 12,332.25
  4. Step 4: Simplify right side
    20,292.93x = 345,328,959.39
  5. Step 5: Solve for x
    x = 345,328,959.39/20,292.93
  6. Step 6: Final answer
    x = 17,017.21

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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.