Home / 27,912.99-38,490.36-17,841.87

Finding the Fourth Proportional to 27,912.99, 38,490.36 and 17,841.87

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Solution

The fourth proportional to 27,912.99, 38,490.36 and 17,841.87 is: 24,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.99 : 38,490.36 = 17,841.87 : x
  2. Step 2: Convert to fraction form
    27,912.99/38,490.36 = 17,841.87/x
  3. Step 3: Cross multiply
    27,912.99x = 38,490.36 × 17,841.87
  4. Step 4: Simplify right side
    27,912.99x = 686,739,999.37
  5. Step 5: Solve for x
    x = 686,739,999.37/27,912.99
  6. Step 6: Final answer
    x = 24,602.88

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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.