Home / 21,028.10-31,541.44-5,233.10

Finding the Fourth Proportional to 21,028.10, 31,541.44 and 5,233.10

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Solution

The fourth proportional to 21,028.10, 31,541.44 and 5,233.10 is: 7,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028.10 : 31,541.44 = 5,233.10 : x
  2. Step 2: Convert to fraction form
    21,028.10/31,541.44 = 5,233.10/x
  3. Step 3: Cross multiply
    21,028.10x = 31,541.44 × 5,233.10
  4. Step 4: Simplify right side
    21,028.10x = 165,059,509.66
  5. Step 5: Solve for x
    x = 165,059,509.66/21,028.10
  6. Step 6: Final answer
    x = 7,849.47

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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.