Home / 28,916.39-43,141.26-25,760.94

Finding the Fourth Proportional to 28,916.39, 43,141.26 and 25,760.94

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Solution

The fourth proportional to 28,916.39, 43,141.26 and 25,760.94 is: 38,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916.39 : 43,141.26 = 25,760.94 : x
  2. Step 2: Convert to fraction form
    28,916.39/43,141.26 = 25,760.94/x
  3. Step 3: Cross multiply
    28,916.39x = 43,141.26 × 25,760.94
  4. Step 4: Simplify right side
    28,916.39x = 1,111,359,200.30
  5. Step 5: Solve for x
    x = 1,111,359,200.30/28,916.39
  6. Step 6: Final answer
    x = 38,433.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.