Home / 21,992.64-30,342.24-14,527.68

Finding the Fourth Proportional to 21,992.64, 30,342.24 and 14,527.68

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Solution

The fourth proportional to 21,992.64, 30,342.24 and 14,527.68 is: 20,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,992.64 : 30,342.24 = 14,527.68 : x
  2. Step 2: Convert to fraction form
    21,992.64/30,342.24 = 14,527.68/x
  3. Step 3: Cross multiply
    21,992.64x = 30,342.24 × 14,527.68
  4. Step 4: Simplify right side
    21,992.64x = 440,802,353.20
  5. Step 5: Solve for x
    x = 440,802,353.20/21,992.64
  6. Step 6: Final answer
    x = 20,043.18

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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.