Home / 27,005.90-37,267.17-16,939.76

Finding the Fourth Proportional to 27,005.90, 37,267.17 and 16,939.76

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Solution

The fourth proportional to 27,005.90, 37,267.17 and 16,939.76 is: 23,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,005.90 : 37,267.17 = 16,939.76 : x
  2. Step 2: Convert to fraction form
    27,005.90/37,267.17 = 16,939.76/x
  3. Step 3: Cross multiply
    27,005.90x = 37,267.17 × 16,939.76
  4. Step 4: Simplify right side
    27,005.90x = 631,296,915.68
  5. Step 5: Solve for x
    x = 631,296,915.68/27,005.90
  6. Step 6: Final answer
    x = 23,376.26

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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.