Home / 21,557.68-29,733.68-14,845.44

Finding the Fourth Proportional to 21,557.68, 29,733.68 and 14,845.44

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Solution

The fourth proportional to 21,557.68, 29,733.68 and 14,845.44 is: 20,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557.68 : 29,733.68 = 14,845.44 : x
  2. Step 2: Convert to fraction form
    21,557.68/29,733.68 = 14,845.44/x
  3. Step 3: Cross multiply
    21,557.68x = 29,733.68 × 14,845.44
  4. Step 4: Simplify right side
    21,557.68x = 441,409,562.42
  5. Step 5: Solve for x
    x = 441,409,562.42/21,557.68
  6. Step 6: Final answer
    x = 20,475.75

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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.