Home / 20,094.72-27,731.84-13,809.92

Finding the Fourth Proportional to 20,094.72, 27,731.84 and 13,809.92

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Solution

The fourth proportional to 20,094.72, 27,731.84 and 13,809.92 is: 19,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.72 : 27,731.84 = 13,809.92 : x
  2. Step 2: Convert to fraction form
    20,094.72/27,731.84 = 13,809.92/x
  3. Step 3: Cross multiply
    20,094.72x = 27,731.84 × 13,809.92
  4. Step 4: Simplify right side
    20,094.72x = 382,974,491.85
  5. Step 5: Solve for x
    x = 382,974,491.85/20,094.72
  6. Step 6: Final answer
    x = 19,058.46

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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.