Home / 27,254.30-40,838.28-21,029.54

Finding the Fourth Proportional to 27,254.30, 40,838.28 and 21,029.54

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Solution

The fourth proportional to 27,254.30, 40,838.28 and 21,029.54 is: 31,511.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,254.30 : 40,838.28 = 21,029.54 : x
  2. Step 2: Convert to fraction form
    27,254.30/40,838.28 = 21,029.54/x
  3. Step 3: Cross multiply
    27,254.30x = 40,838.28 × 21,029.54
  4. Step 4: Simplify right side
    27,254.30x = 858,810,242.79
  5. Step 5: Solve for x
    x = 858,810,242.79/27,254.30
  6. Step 6: Final answer
    x = 31,511.00

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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.