Home / 28,876.67-43,316.54-9,156.77

Finding the Fourth Proportional to 28,876.67, 43,316.54 and 9,156.77

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Solution

The fourth proportional to 28,876.67, 43,316.54 and 9,156.77 is: 13,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.67 : 43,316.54 = 9,156.77 : x
  2. Step 2: Convert to fraction form
    28,876.67/43,316.54 = 9,156.77/x
  3. Step 3: Cross multiply
    28,876.67x = 43,316.54 × 9,156.77
  4. Step 4: Simplify right side
    28,876.67x = 396,639,528.38
  5. Step 5: Solve for x
    x = 396,639,528.38/28,876.67
  6. Step 6: Final answer
    x = 13,735.64

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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.