Home / 27,433.50-37,858.04-15,499.18

Finding the Fourth Proportional to 27,433.50, 37,858.04 and 15,499.18

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Solution

The fourth proportional to 27,433.50, 37,858.04 and 15,499.18 is: 21,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,433.50 : 37,858.04 = 15,499.18 : x
  2. Step 2: Convert to fraction form
    27,433.50/37,858.04 = 15,499.18/x
  3. Step 3: Cross multiply
    27,433.50x = 37,858.04 × 15,499.18
  4. Step 4: Simplify right side
    27,433.50x = 586,768,576.41
  5. Step 5: Solve for x
    x = 586,768,576.41/27,433.50
  6. Step 6: Final answer
    x = 21,388.76

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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.