Home / 38,015.20-57,014.70-16,955.20

Finding the Fourth Proportional to 38,015.20, 57,014.70 and 16,955.20

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Solution

The fourth proportional to 38,015.20, 57,014.70 and 16,955.20 is: 25,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.20 : 57,014.70 = 16,955.20 : x
  2. Step 2: Convert to fraction form
    38,015.20/57,014.70 = 16,955.20/x
  3. Step 3: Cross multiply
    38,015.20x = 57,014.70 × 16,955.20
  4. Step 4: Simplify right side
    38,015.20x = 966,695,641.44
  5. Step 5: Solve for x
    x = 966,695,641.44/38,015.20
  6. Step 6: Final answer
    x = 25,429.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.