Home / 28,976.08-43,492.22-13,993.79

Finding the Fourth Proportional to 28,976.08, 43,492.22 and 13,993.79

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Solution

The fourth proportional to 28,976.08, 43,492.22 and 13,993.79 is: 21,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976.08 : 43,492.22 = 13,993.79 : x
  2. Step 2: Convert to fraction form
    28,976.08/43,492.22 = 13,993.79/x
  3. Step 3: Cross multiply
    28,976.08x = 43,492.22 × 13,993.79
  4. Step 4: Simplify right side
    28,976.08x = 608,620,841.32
  5. Step 5: Solve for x
    x = 608,620,841.32/28,976.08
  6. Step 6: Final answer
    x = 21,004.25

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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.