Home / 27,423.20-37,843.53-15,485.69

Finding the Fourth Proportional to 27,423.20, 37,843.53 and 15,485.69

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Solution

The fourth proportional to 27,423.20, 37,843.53 and 15,485.69 is: 21,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.20 : 37,843.53 = 15,485.69 : x
  2. Step 2: Convert to fraction form
    27,423.20/37,843.53 = 15,485.69/x
  3. Step 3: Cross multiply
    27,423.20x = 37,843.53 × 15,485.69
  4. Step 4: Simplify right side
    27,423.20x = 586,033,174.09
  5. Step 5: Solve for x
    x = 586,033,174.09/27,423.20
  6. Step 6: Final answer
    x = 21,369.98

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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.