Home / 28,523.33-39,361.50-15,776.18

Finding the Fourth Proportional to 28,523.33, 39,361.50 and 15,776.18

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Solution

The fourth proportional to 28,523.33, 39,361.50 and 15,776.18 is: 21,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523.33 : 39,361.50 = 15,776.18 : x
  2. Step 2: Convert to fraction form
    28,523.33/39,361.50 = 15,776.18/x
  3. Step 3: Cross multiply
    28,523.33x = 39,361.50 × 15,776.18
  4. Step 4: Simplify right side
    28,523.33x = 620,973,912.26
  5. Step 5: Solve for x
    x = 620,973,912.26/28,523.33
  6. Step 6: Final answer
    x = 21,770.74

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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.