Home / 27,278.52-37,665.54-21,299.82

Finding the Fourth Proportional to 27,278.52, 37,665.54 and 21,299.82

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Solution

The fourth proportional to 27,278.52, 37,665.54 and 21,299.82 is: 29,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.52 : 37,665.54 = 21,299.82 : x
  2. Step 2: Convert to fraction form
    27,278.52/37,665.54 = 21,299.82/x
  3. Step 3: Cross multiply
    27,278.52x = 37,665.54 × 21,299.82
  4. Step 4: Simplify right side
    27,278.52x = 802,269,222.20
  5. Step 5: Solve for x
    x = 802,269,222.20/27,278.52
  6. Step 6: Final answer
    x = 29,410.29

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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.