Home / 28,602.20-42,904.92-8,883.56

Finding the Fourth Proportional to 28,602.20, 42,904.92 and 8,883.56

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Solution

The fourth proportional to 28,602.20, 42,904.92 and 8,883.56 is: 13,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.20 : 42,904.92 = 8,883.56 : x
  2. Step 2: Convert to fraction form
    28,602.20/42,904.92 = 8,883.56/x
  3. Step 3: Cross multiply
    28,602.20x = 42,904.92 × 8,883.56
  4. Step 4: Simplify right side
    28,602.20x = 381,148,431.12
  5. Step 5: Solve for x
    x = 381,148,431.12/28,602.20
  6. Step 6: Final answer
    x = 13,325.84

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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.