Home / 27,021.51-37,278.97-18,054.81

Finding the Fourth Proportional to 27,021.51, 37,278.97 and 18,054.81

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Solution

The fourth proportional to 27,021.51, 37,278.97 and 18,054.81 is: 24,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.51 : 37,278.97 = 18,054.81 : x
  2. Step 2: Convert to fraction form
    27,021.51/37,278.97 = 18,054.81/x
  3. Step 3: Cross multiply
    27,021.51x = 37,278.97 × 18,054.81
  4. Step 4: Simplify right side
    27,021.51x = 673,064,675.21
  5. Step 5: Solve for x
    x = 673,064,675.21/27,021.51
  6. Step 6: Final answer
    x = 24,908.48

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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.