Home / 27,320.42-37,705.77-15,386.09

Finding the Fourth Proportional to 27,320.42, 37,705.77 and 15,386.09

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Solution

The fourth proportional to 27,320.42, 37,705.77 and 15,386.09 is: 21,234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.42 : 37,705.77 = 15,386.09 : x
  2. Step 2: Convert to fraction form
    27,320.42/37,705.77 = 15,386.09/x
  3. Step 3: Cross multiply
    27,320.42x = 37,705.77 × 15,386.09
  4. Step 4: Simplify right side
    27,320.42x = 580,144,370.74
  5. Step 5: Solve for x
    x = 580,144,370.74/27,320.42
  6. Step 6: Final answer
    x = 21,234.83

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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.