Home / 21,460.14-32,145.93-15,919.74

Finding the Fourth Proportional to 21,460.14, 32,145.93 and 15,919.74

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Solution

The fourth proportional to 21,460.14, 32,145.93 and 15,919.74 is: 23,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.14 : 32,145.93 = 15,919.74 : x
  2. Step 2: Convert to fraction form
    21,460.14/32,145.93 = 15,919.74/x
  3. Step 3: Cross multiply
    21,460.14x = 32,145.93 × 15,919.74
  4. Step 4: Simplify right side
    21,460.14x = 511,754,847.66
  5. Step 5: Solve for x
    x = 511,754,847.66/21,460.14
  6. Step 6: Final answer
    x = 23,846.76

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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.