Home / 27,243.34-37,616.80-21,961.74

Finding the Fourth Proportional to 27,243.34, 37,616.80 and 21,961.74

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Solution

The fourth proportional to 27,243.34, 37,616.80 and 21,961.74 is: 30,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.34 : 37,616.80 = 21,961.74 : x
  2. Step 2: Convert to fraction form
    27,243.34/37,616.80 = 21,961.74/x
  3. Step 3: Cross multiply
    27,243.34x = 37,616.80 × 21,961.74
  4. Step 4: Simplify right side
    27,243.34x = 826,130,381.23
  5. Step 5: Solve for x
    x = 826,130,381.23/27,243.34
  6. Step 6: Final answer
    x = 30,324.12

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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.