Home / 28,862.54-43,298.21-12,222.66

Finding the Fourth Proportional to 28,862.54, 43,298.21 and 12,222.66

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Solution

The fourth proportional to 28,862.54, 43,298.21 and 12,222.66 is: 18,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.54 : 43,298.21 = 12,222.66 : x
  2. Step 2: Convert to fraction form
    28,862.54/43,298.21 = 12,222.66/x
  3. Step 3: Cross multiply
    28,862.54x = 43,298.21 × 12,222.66
  4. Step 4: Simplify right side
    28,862.54x = 529,219,248.81
  5. Step 5: Solve for x
    x = 529,219,248.81/28,862.54
  6. Step 6: Final answer
    x = 18,335.85

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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.