Home / 38,020.20-57,030.30-15,826.20

Finding the Fourth Proportional to 38,020.20, 57,030.30 and 15,826.20

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Solution

The fourth proportional to 38,020.20, 57,030.30 and 15,826.20 is: 23,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.20 : 57,030.30 = 15,826.20 : x
  2. Step 2: Convert to fraction form
    38,020.20/57,030.30 = 15,826.20/x
  3. Step 3: Cross multiply
    38,020.20x = 57,030.30 × 15,826.20
  4. Step 4: Simplify right side
    38,020.20x = 902,572,933.86
  5. Step 5: Solve for x
    x = 902,572,933.86/38,020.20
  6. Step 6: Final answer
    x = 23,739.30

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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.