Home / 28,542.48-39,388.56-15,967.23

Finding the Fourth Proportional to 28,542.48, 39,388.56 and 15,967.23

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Solution

The fourth proportional to 28,542.48, 39,388.56 and 15,967.23 is: 22,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.48 : 39,388.56 = 15,967.23 : x
  2. Step 2: Convert to fraction form
    28,542.48/39,388.56 = 15,967.23/x
  3. Step 3: Cross multiply
    28,542.48x = 39,388.56 × 15,967.23
  4. Step 4: Simplify right side
    28,542.48x = 628,926,196.89
  5. Step 5: Solve for x
    x = 628,926,196.89/28,542.48
  6. Step 6: Final answer
    x = 22,034.74

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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.