Home / 28,818.95-43,232.89-12,179.05

Finding the Fourth Proportional to 28,818.95, 43,232.89 and 12,179.05

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Solution

The fourth proportional to 28,818.95, 43,232.89 and 12,179.05 is: 18,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.95 : 43,232.89 = 12,179.05 : x
  2. Step 2: Convert to fraction form
    28,818.95/43,232.89 = 12,179.05/x
  3. Step 3: Cross multiply
    28,818.95x = 43,232.89 × 12,179.05
  4. Step 4: Simplify right side
    28,818.95x = 526,535,390.42
  5. Step 5: Solve for x
    x = 526,535,390.42/28,818.95
  6. Step 6: Final answer
    x = 18,270.46

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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.