Home / 27,388.13-37,795.61-14,812.88

Finding the Fourth Proportional to 27,388.13, 37,795.61 and 14,812.88

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Solution

The fourth proportional to 27,388.13, 37,795.61 and 14,812.88 is: 20,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.13 : 37,795.61 = 14,812.88 : x
  2. Step 2: Convert to fraction form
    27,388.13/37,795.61 = 14,812.88/x
  3. Step 3: Cross multiply
    27,388.13x = 37,795.61 × 14,812.88
  4. Step 4: Simplify right side
    27,388.13x = 559,861,683.51
  5. Step 5: Solve for x
    x = 559,861,683.51/27,388.13
  6. Step 6: Final answer
    x = 20,441.77

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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.