Home / 27,290.96-37,661.37-15,354.38

Finding the Fourth Proportional to 27,290.96, 37,661.37 and 15,354.38

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Solution

The fourth proportional to 27,290.96, 37,661.37 and 15,354.38 is: 21,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.96 : 37,661.37 = 15,354.38 : x
  2. Step 2: Convert to fraction form
    27,290.96/37,661.37 = 15,354.38/x
  3. Step 3: Cross multiply
    27,290.96x = 37,661.37 × 15,354.38
  4. Step 4: Simplify right side
    27,290.96x = 578,266,797.99
  5. Step 5: Solve for x
    x = 578,266,797.99/27,290.96
  6. Step 6: Final answer
    x = 21,188.95

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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.