Home / 21,648.56-32,449.08-14,142.86

Finding the Fourth Proportional to 21,648.56, 32,449.08 and 14,142.86

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Solution

The fourth proportional to 21,648.56, 32,449.08 and 14,142.86 is: 21,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,648.56 : 32,449.08 = 14,142.86 : x
  2. Step 2: Convert to fraction form
    21,648.56/32,449.08 = 14,142.86/x
  3. Step 3: Cross multiply
    21,648.56x = 32,449.08 × 14,142.86
  4. Step 4: Simplify right side
    21,648.56x = 458,922,795.57
  5. Step 5: Solve for x
    x = 458,922,795.57/21,648.56
  6. Step 6: Final answer
    x = 21,198.77

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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.