Home / 27,971.04-38,600.76-15,224.94

Finding the Fourth Proportional to 27,971.04, 38,600.76 and 15,224.94

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Solution

The fourth proportional to 27,971.04, 38,600.76 and 15,224.94 is: 21,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.04 : 38,600.76 = 15,224.94 : x
  2. Step 2: Convert to fraction form
    27,971.04/38,600.76 = 15,224.94/x
  3. Step 3: Cross multiply
    27,971.04x = 38,600.76 × 15,224.94
  4. Step 4: Simplify right side
    27,971.04x = 587,694,254.95
  5. Step 5: Solve for x
    x = 587,694,254.95/27,971.04
  6. Step 6: Final answer
    x = 21,010.81

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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.