Home / 27,730.83-38,287.01-16,403.96

Finding the Fourth Proportional to 27,730.83, 38,287.01 and 16,403.96

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Solution

The fourth proportional to 27,730.83, 38,287.01 and 16,403.96 is: 22,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.83 : 38,287.01 = 16,403.96 : x
  2. Step 2: Convert to fraction form
    27,730.83/38,287.01 = 16,403.96/x
  3. Step 3: Cross multiply
    27,730.83x = 38,287.01 × 16,403.96
  4. Step 4: Simplify right side
    27,730.83x = 628,058,609.60
  5. Step 5: Solve for x
    x = 628,058,609.60/27,730.83
  6. Step 6: Final answer
    x = 22,648.39

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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.