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Finding the Fourth Proportional to 27,170.84, 40,751.91 and 7,444.81

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Solution

The fourth proportional to 27,170.84, 40,751.91 and 7,444.81 is: 11,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.84 : 40,751.91 = 7,444.81 : x
  2. Step 2: Convert to fraction form
    27,170.84/40,751.91 = 7,444.81/x
  3. Step 3: Cross multiply
    27,170.84x = 40,751.91 × 7,444.81
  4. Step 4: Simplify right side
    27,170.84x = 303,390,278.03
  5. Step 5: Solve for x
    x = 303,390,278.03/27,170.84
  6. Step 6: Final answer
    x = 11,166.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.