Home / 18,292.08-27,445.32-16,839.12

Finding the Fourth Proportional to 18,292.08, 27,445.32 and 16,839.12

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Solution

The fourth proportional to 18,292.08, 27,445.32 and 16,839.12 is: 25,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.08 : 27,445.32 = 16,839.12 : x
  2. Step 2: Convert to fraction form
    18,292.08/27,445.32 = 16,839.12/x
  3. Step 3: Cross multiply
    18,292.08x = 27,445.32 × 16,839.12
  4. Step 4: Simplify right side
    18,292.08x = 462,155,036.92
  5. Step 5: Solve for x
    x = 462,155,036.92/18,292.08
  6. Step 6: Final answer
    x = 25,265.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.