Home / 27,489.48-37,944.60-19,554.72

Finding the Fourth Proportional to 27,489.48, 37,944.60 and 19,554.72

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Solution

The fourth proportional to 27,489.48, 37,944.60 and 19,554.72 is: 26,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.48 : 37,944.60 = 19,554.72 : x
  2. Step 2: Convert to fraction form
    27,489.48/37,944.60 = 19,554.72/x
  3. Step 3: Cross multiply
    27,489.48x = 37,944.60 × 19,554.72
  4. Step 4: Simplify right side
    27,489.48x = 741,996,028.51
  5. Step 5: Solve for x
    x = 741,996,028.51/27,489.48
  6. Step 6: Final answer
    x = 26,992.00

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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.