Home / 38,777.01-58,163.21-13,815.74

Finding the Fourth Proportional to 38,777.01, 58,163.21 and 13,815.74

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Solution

The fourth proportional to 38,777.01, 58,163.21 and 13,815.74 is: 20,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,777.01 : 58,163.21 = 13,815.74 : x
  2. Step 2: Convert to fraction form
    38,777.01/58,163.21 = 13,815.74/x
  3. Step 3: Cross multiply
    38,777.01x = 58,163.21 × 13,815.74
  4. Step 4: Simplify right side
    38,777.01x = 803,567,427.03
  5. Step 5: Solve for x
    x = 803,567,427.03/38,777.01
  6. Step 6: Final answer
    x = 20,722.78

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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.