Home / 28,640.17-39,523.34-15,895.27

Finding the Fourth Proportional to 28,640.17, 39,523.34 and 15,895.27

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Solution

The fourth proportional to 28,640.17, 39,523.34 and 15,895.27 is: 21,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640.17 : 39,523.34 = 15,895.27 : x
  2. Step 2: Convert to fraction form
    28,640.17/39,523.34 = 15,895.27/x
  3. Step 3: Cross multiply
    28,640.17x = 39,523.34 × 15,895.27
  4. Step 4: Simplify right side
    28,640.17x = 628,234,101.53
  5. Step 5: Solve for x
    x = 628,234,101.53/28,640.17
  6. Step 6: Final answer
    x = 21,935.42

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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.