Home / 28,835.85-43,253.51-9,114.42

Finding the Fourth Proportional to 28,835.85, 43,253.51 and 9,114.42

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Solution

The fourth proportional to 28,835.85, 43,253.51 and 9,114.42 is: 13,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.85 : 43,253.51 = 9,114.42 : x
  2. Step 2: Convert to fraction form
    28,835.85/43,253.51 = 9,114.42/x
  3. Step 3: Cross multiply
    28,835.85x = 43,253.51 × 9,114.42
  4. Step 4: Simplify right side
    28,835.85x = 394,230,656.61
  5. Step 5: Solve for x
    x = 394,230,656.61/28,835.85
  6. Step 6: Final answer
    x = 13,671.55

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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.