Home / 27,182.75-37,513.74-15,245.15

Finding the Fourth Proportional to 27,182.75, 37,513.74 and 15,245.15

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Solution

The fourth proportional to 27,182.75, 37,513.74 and 15,245.15 is: 21,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,182.75 : 37,513.74 = 15,245.15 : x
  2. Step 2: Convert to fraction form
    27,182.75/37,513.74 = 15,245.15/x
  3. Step 3: Cross multiply
    27,182.75x = 37,513.74 × 15,245.15
  4. Step 4: Simplify right side
    27,182.75x = 571,902,405.79
  5. Step 5: Solve for x
    x = 571,902,405.79/27,182.75
  6. Step 6: Final answer
    x = 21,039.17

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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.