Home / 27,436.11-37,863.74-15,495.09

Finding the Fourth Proportional to 27,436.11, 37,863.74 and 15,495.09

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Solution

The fourth proportional to 27,436.11, 37,863.74 and 15,495.09 is: 21,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.11 : 37,863.74 = 15,495.09 : x
  2. Step 2: Convert to fraction form
    27,436.11/37,863.74 = 15,495.09/x
  3. Step 3: Cross multiply
    27,436.11x = 37,863.74 × 15,495.09
  4. Step 4: Simplify right side
    27,436.11x = 586,701,981.56
  5. Step 5: Solve for x
    x = 586,701,981.56/27,436.11
  6. Step 6: Final answer
    x = 21,384.30

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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.