Home / 27,218.37-37,564.36-15,890.65

Finding the Fourth Proportional to 27,218.37, 37,564.36 and 15,890.65

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Solution

The fourth proportional to 27,218.37, 37,564.36 and 15,890.65 is: 21,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.37 : 37,564.36 = 15,890.65 : x
  2. Step 2: Convert to fraction form
    27,218.37/37,564.36 = 15,890.65/x
  3. Step 3: Cross multiply
    27,218.37x = 37,564.36 × 15,890.65
  4. Step 4: Simplify right side
    27,218.37x = 596,921,909.41
  5. Step 5: Solve for x
    x = 596,921,909.41/27,218.37
  6. Step 6: Final answer
    x = 21,930.85

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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.