Home / 21,072.56-31,598.10-7,027.56

Finding the Fourth Proportional to 21,072.56, 31,598.10 and 7,027.56

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Solution

The fourth proportional to 21,072.56, 31,598.10 and 7,027.56 is: 10,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,072.56 : 31,598.10 = 7,027.56 : x
  2. Step 2: Convert to fraction form
    21,072.56/31,598.10 = 7,027.56/x
  3. Step 3: Cross multiply
    21,072.56x = 31,598.10 × 7,027.56
  4. Step 4: Simplify right side
    21,072.56x = 222,057,543.64
  5. Step 5: Solve for x
    x = 222,057,543.64/21,072.56
  6. Step 6: Final answer
    x = 10,537.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.