Home / 28,922.78-43,387.23-9,196.72

Finding the Fourth Proportional to 28,922.78, 43,387.23 and 9,196.72

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Solution

The fourth proportional to 28,922.78, 43,387.23 and 9,196.72 is: 13,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.78 : 43,387.23 = 9,196.72 : x
  2. Step 2: Convert to fraction form
    28,922.78/43,387.23 = 9,196.72/x
  3. Step 3: Cross multiply
    28,922.78x = 43,387.23 × 9,196.72
  4. Step 4: Simplify right side
    28,922.78x = 399,020,205.89
  5. Step 5: Solve for x
    x = 399,020,205.89/28,922.78
  6. Step 6: Final answer
    x = 13,796.05

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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.