Home / 28,818.06-43,216.69-12,179.37

Finding the Fourth Proportional to 28,818.06, 43,216.69 and 12,179.37

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Solution

The fourth proportional to 28,818.06, 43,216.69 and 12,179.37 is: 18,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.06 : 43,216.69 = 12,179.37 : x
  2. Step 2: Convert to fraction form
    28,818.06/43,216.69 = 12,179.37/x
  3. Step 3: Cross multiply
    28,818.06x = 43,216.69 × 12,179.37
  4. Step 4: Simplify right side
    28,818.06x = 526,352,057.69
  5. Step 5: Solve for x
    x = 526,352,057.69/28,818.06
  6. Step 6: Final answer
    x = 18,264.66

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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.