Home / 27,147.84-37,463.54-15,211.14

Finding the Fourth Proportional to 27,147.84, 37,463.54 and 15,211.14

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Solution

The fourth proportional to 27,147.84, 37,463.54 and 15,211.14 is: 20,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.84 : 37,463.54 = 15,211.14 : x
  2. Step 2: Convert to fraction form
    27,147.84/37,463.54 = 15,211.14/x
  3. Step 3: Cross multiply
    27,147.84x = 37,463.54 × 15,211.14
  4. Step 4: Simplify right side
    27,147.84x = 569,863,151.84
  5. Step 5: Solve for x
    x = 569,863,151.84/27,147.84
  6. Step 6: Final answer
    x = 20,991.10

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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.