Home / 28,015.02-38,666.40-16,086.54

Finding the Fourth Proportional to 28,015.02, 38,666.40 and 16,086.54

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Solution

The fourth proportional to 28,015.02, 38,666.40 and 16,086.54 is: 22,202.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015.02 : 38,666.40 = 16,086.54 : x
  2. Step 2: Convert to fraction form
    28,015.02/38,666.40 = 16,086.54/x
  3. Step 3: Cross multiply
    28,015.02x = 38,666.40 × 16,086.54
  4. Step 4: Simplify right side
    28,015.02x = 622,008,590.26
  5. Step 5: Solve for x
    x = 622,008,590.26/28,015.02
  6. Step 6: Final answer
    x = 22,202.68

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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.