Home / 21,766.64-30,050.73-16,720.94

Finding the Fourth Proportional to 21,766.64, 30,050.73 and 16,720.94

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Solution

The fourth proportional to 21,766.64, 30,050.73 and 16,720.94 is: 23,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.64 : 30,050.73 = 16,720.94 : x
  2. Step 2: Convert to fraction form
    21,766.64/30,050.73 = 16,720.94/x
  3. Step 3: Cross multiply
    21,766.64x = 30,050.73 × 16,720.94
  4. Step 4: Simplify right side
    21,766.64x = 502,476,528.41
  5. Step 5: Solve for x
    x = 502,476,528.41/21,766.64
  6. Step 6: Final answer
    x = 23,084.71

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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.