Home / 28,242.46-38,974.53-16,305.49

Finding the Fourth Proportional to 28,242.46, 38,974.53 and 16,305.49

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Solution

The fourth proportional to 28,242.46, 38,974.53 and 16,305.49 is: 22,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242.46 : 38,974.53 = 16,305.49 : x
  2. Step 2: Convert to fraction form
    28,242.46/38,974.53 = 16,305.49/x
  3. Step 3: Cross multiply
    28,242.46x = 38,974.53 × 16,305.49
  4. Step 4: Simplify right side
    28,242.46x = 635,498,809.17
  5. Step 5: Solve for x
    x = 635,498,809.17/28,242.46
  6. Step 6: Final answer
    x = 22,501.54

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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.