Home / 27,489.30-37,930.41-15,550.98

Finding the Fourth Proportional to 27,489.30, 37,930.41 and 15,550.98

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Solution

The fourth proportional to 27,489.30, 37,930.41 and 15,550.98 is: 21,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.30 : 37,930.41 = 15,550.98 : x
  2. Step 2: Convert to fraction form
    27,489.30/37,930.41 = 15,550.98/x
  3. Step 3: Cross multiply
    27,489.30x = 37,930.41 × 15,550.98
  4. Step 4: Simplify right side
    27,489.30x = 589,855,047.30
  5. Step 5: Solve for x
    x = 589,855,047.30/27,489.30
  6. Step 6: Final answer
    x = 21,457.62

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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.