Home / 28,927.15-43,378.88-9,200.41

Finding the Fourth Proportional to 28,927.15, 43,378.88 and 9,200.41

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Solution

The fourth proportional to 28,927.15, 43,378.88 and 9,200.41 is: 13,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.15 : 43,378.88 = 9,200.41 : x
  2. Step 2: Convert to fraction form
    28,927.15/43,378.88 = 9,200.41/x
  3. Step 3: Cross multiply
    28,927.15x = 43,378.88 × 9,200.41
  4. Step 4: Simplify right side
    28,927.15x = 399,103,326.89
  5. Step 5: Solve for x
    x = 399,103,326.89/28,927.15
  6. Step 6: Final answer
    x = 13,796.84

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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.