Home / 27,235.20-37,583.40-15,905.34

Finding the Fourth Proportional to 27,235.20, 37,583.40 and 15,905.34

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Solution

The fourth proportional to 27,235.20, 37,583.40 and 15,905.34 is: 21,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,235.20 : 37,583.40 = 15,905.34 : x
  2. Step 2: Convert to fraction form
    27,235.20/37,583.40 = 15,905.34/x
  3. Step 3: Cross multiply
    27,235.20x = 37,583.40 × 15,905.34
  4. Step 4: Simplify right side
    27,235.20x = 597,776,755.36
  5. Step 5: Solve for x
    x = 597,776,755.36/27,235.20
  6. Step 6: Final answer
    x = 21,948.68

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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.