Home / 21,464.16-32,151.92-15,923.76

Finding the Fourth Proportional to 21,464.16, 32,151.92 and 15,923.76

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Solution

The fourth proportional to 21,464.16, 32,151.92 and 15,923.76 is: 23,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.16 : 32,151.92 = 15,923.76 : x
  2. Step 2: Convert to fraction form
    21,464.16/32,151.92 = 15,923.76/x
  3. Step 3: Cross multiply
    21,464.16x = 32,151.92 × 15,923.76
  4. Step 4: Simplify right side
    21,464.16x = 511,979,457.62
  5. Step 5: Solve for x
    x = 511,979,457.62/21,464.16
  6. Step 6: Final answer
    x = 23,852.76

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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.