Home / 28,542.36-39,387.38-15,967.10

Finding the Fourth Proportional to 28,542.36, 39,387.38 and 15,967.10

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Solution

The fourth proportional to 28,542.36, 39,387.38 and 15,967.10 is: 22,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.36 : 39,387.38 = 15,967.10 : x
  2. Step 2: Convert to fraction form
    28,542.36/39,387.38 = 15,967.10/x
  3. Step 3: Cross multiply
    28,542.36x = 39,387.38 × 15,967.10
  4. Step 4: Simplify right side
    28,542.36x = 628,902,235.20
  5. Step 5: Solve for x
    x = 628,902,235.20/28,542.36
  6. Step 6: Final answer
    x = 22,034.00

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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.