Home / 27,152.94-37,420.30-21,175.14

Finding the Fourth Proportional to 27,152.94, 37,420.30 and 21,175.14

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Solution

The fourth proportional to 27,152.94, 37,420.30 and 21,175.14 is: 29,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.94 : 37,420.30 = 21,175.14 : x
  2. Step 2: Convert to fraction form
    27,152.94/37,420.30 = 21,175.14/x
  3. Step 3: Cross multiply
    27,152.94x = 37,420.30 × 21,175.14
  4. Step 4: Simplify right side
    27,152.94x = 792,380,091.34
  5. Step 5: Solve for x
    x = 792,380,091.34/27,152.94
  6. Step 6: Final answer
    x = 29,182.11

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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.