Home / 27,712.49-41,559.28-7,985.75

Finding the Fourth Proportional to 27,712.49, 41,559.28 and 7,985.75

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Solution

The fourth proportional to 27,712.49, 41,559.28 and 7,985.75 is: 11,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.49 : 41,559.28 = 7,985.75 : x
  2. Step 2: Convert to fraction form
    27,712.49/41,559.28 = 7,985.75/x
  3. Step 3: Cross multiply
    27,712.49x = 41,559.28 × 7,985.75
  4. Step 4: Simplify right side
    27,712.49x = 331,881,792.50
  5. Step 5: Solve for x
    x = 331,881,792.50/27,712.49
  6. Step 6: Final answer
    x = 11,975.89

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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.