Home / 21,764.16-30,027.51-15,050.88

Finding the Fourth Proportional to 21,764.16, 30,027.51 and 15,050.88

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Solution

The fourth proportional to 21,764.16, 30,027.51 and 15,050.88 is: 20,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.16 : 30,027.51 = 15,050.88 : x
  2. Step 2: Convert to fraction form
    21,764.16/30,027.51 = 15,050.88/x
  3. Step 3: Cross multiply
    21,764.16x = 30,027.51 × 15,050.88
  4. Step 4: Simplify right side
    21,764.16x = 451,940,449.71
  5. Step 5: Solve for x
    x = 451,940,449.71/21,764.16
  6. Step 6: Final answer
    x = 20,765.35

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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.