Home / 28,375.02-42,585.21-12,793.86

Finding the Fourth Proportional to 28,375.02, 42,585.21 and 12,793.86

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Solution

The fourth proportional to 28,375.02, 42,585.21 and 12,793.86 is: 19,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375.02 : 42,585.21 = 12,793.86 : x
  2. Step 2: Convert to fraction form
    28,375.02/42,585.21 = 12,793.86/x
  3. Step 3: Cross multiply
    28,375.02x = 42,585.21 × 12,793.86
  4. Step 4: Simplify right side
    28,375.02x = 544,829,214.81
  5. Step 5: Solve for x
    x = 544,829,214.81/28,375.02
  6. Step 6: Final answer
    x = 19,201.02

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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.