Home / 28,015.56-38,662.74-16,077.96

Finding the Fourth Proportional to 28,015.56, 38,662.74 and 16,077.96

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Solution

The fourth proportional to 28,015.56, 38,662.74 and 16,077.96 is: 22,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015.56 : 38,662.74 = 16,077.96 : x
  2. Step 2: Convert to fraction form
    28,015.56/38,662.74 = 16,077.96/x
  3. Step 3: Cross multiply
    28,015.56x = 38,662.74 × 16,077.96
  4. Step 4: Simplify right side
    28,015.56x = 621,617,987.21
  5. Step 5: Solve for x
    x = 621,617,987.21/28,015.56
  6. Step 6: Final answer
    x = 22,188.31

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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.