Home / 27,993.60-38,630.52-16,055.28

Finding the Fourth Proportional to 27,993.60, 38,630.52 and 16,055.28

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Solution

The fourth proportional to 27,993.60, 38,630.52 and 16,055.28 is: 22,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993.60 : 38,630.52 = 16,055.28 : x
  2. Step 2: Convert to fraction form
    27,993.60/38,630.52 = 16,055.28/x
  3. Step 3: Cross multiply
    27,993.60x = 38,630.52 × 16,055.28
  4. Step 4: Simplify right side
    27,993.60x = 620,223,815.15
  5. Step 5: Solve for x
    x = 620,223,815.15/27,993.60
  6. Step 6: Final answer
    x = 22,155.91

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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.