Home / 27,528.81-37,971.96-18,910.88

Finding the Fourth Proportional to 27,528.81, 37,971.96 and 18,910.88

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Solution

The fourth proportional to 27,528.81, 37,971.96 and 18,910.88 is: 26,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,528.81 : 37,971.96 = 18,910.88 : x
  2. Step 2: Convert to fraction form
    27,528.81/37,971.96 = 18,910.88/x
  3. Step 3: Cross multiply
    27,528.81x = 37,971.96 × 18,910.88
  4. Step 4: Simplify right side
    27,528.81x = 718,083,274.14
  5. Step 5: Solve for x
    x = 718,083,274.14/27,528.81
  6. Step 6: Final answer
    x = 26,084.79

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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.