Home / 27,968.51-38,596.73-15,221.81

Finding the Fourth Proportional to 27,968.51, 38,596.73 and 15,221.81

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Solution

The fourth proportional to 27,968.51, 38,596.73 and 15,221.81 is: 21,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968.51 : 38,596.73 = 15,221.81 : x
  2. Step 2: Convert to fraction form
    27,968.51/38,596.73 = 15,221.81/x
  3. Step 3: Cross multiply
    27,968.51x = 38,596.73 × 15,221.81
  4. Step 4: Simplify right side
    27,968.51x = 587,512,111.06
  5. Step 5: Solve for x
    x = 587,512,111.06/27,968.51
  6. Step 6: Final answer
    x = 21,006.20

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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.