Home / 27,388.41-37,792.76-15,451.05

Finding the Fourth Proportional to 27,388.41, 37,792.76 and 15,451.05

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Solution

The fourth proportional to 27,388.41, 37,792.76 and 15,451.05 is: 21,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.41 : 37,792.76 = 15,451.05 : x
  2. Step 2: Convert to fraction form
    27,388.41/37,792.76 = 15,451.05/x
  3. Step 3: Cross multiply
    27,388.41x = 37,792.76 × 15,451.05
  4. Step 4: Simplify right side
    27,388.41x = 583,937,747.14
  5. Step 5: Solve for x
    x = 583,937,747.14/27,388.41
  6. Step 6: Final answer
    x = 21,320.62

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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.