Home / 18,736.32-28,107.52-16,877.60

Finding the Fourth Proportional to 18,736.32, 28,107.52 and 16,877.60

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Solution

The fourth proportional to 18,736.32, 28,107.52 and 16,877.60 is: 25,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.32 : 28,107.52 = 16,877.60 : x
  2. Step 2: Convert to fraction form
    18,736.32/28,107.52 = 16,877.60/x
  3. Step 3: Cross multiply
    18,736.32x = 28,107.52 × 16,877.60
  4. Step 4: Simplify right side
    18,736.32x = 474,387,479.55
  5. Step 5: Solve for x
    x = 474,387,479.55/18,736.32
  6. Step 6: Final answer
    x = 25,319.14

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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.