Home / 28,400.03-39,229.02-23,042.37

Finding the Fourth Proportional to 28,400.03, 39,229.02 and 23,042.37

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Solution

The fourth proportional to 28,400.03, 39,229.02 and 23,042.37 is: 31,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400.03 : 39,229.02 = 23,042.37 : x
  2. Step 2: Convert to fraction form
    28,400.03/39,229.02 = 23,042.37/x
  3. Step 3: Cross multiply
    28,400.03x = 39,229.02 × 23,042.37
  4. Step 4: Simplify right side
    28,400.03x = 903,929,593.58
  5. Step 5: Solve for x
    x = 903,929,593.58/28,400.03
  6. Step 6: Final answer
    x = 31,828.47

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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.