Home / 27,981.21-41,971.95-11,341.56

Finding the Fourth Proportional to 27,981.21, 41,971.95 and 11,341.56

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Solution

The fourth proportional to 27,981.21, 41,971.95 and 11,341.56 is: 17,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.21 : 41,971.95 = 11,341.56 : x
  2. Step 2: Convert to fraction form
    27,981.21/41,971.95 = 11,341.56/x
  3. Step 3: Cross multiply
    27,981.21x = 41,971.95 × 11,341.56
  4. Step 4: Simplify right side
    27,981.21x = 476,027,389.24
  5. Step 5: Solve for x
    x = 476,027,389.24/27,981.21
  6. Step 6: Final answer
    x = 17,012.39

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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.