Home / 28,906.26-39,882.54-18,152.29

Finding the Fourth Proportional to 28,906.26, 39,882.54 and 18,152.29

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Solution

The fourth proportional to 28,906.26, 39,882.54 and 18,152.29 is: 25,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.26 : 39,882.54 = 18,152.29 : x
  2. Step 2: Convert to fraction form
    28,906.26/39,882.54 = 18,152.29/x
  3. Step 3: Cross multiply
    28,906.26x = 39,882.54 × 18,152.29
  4. Step 4: Simplify right side
    28,906.26x = 723,959,432.02
  5. Step 5: Solve for x
    x = 723,959,432.02/28,906.26
  6. Step 6: Final answer
    x = 25,045.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.