Home / 27,684.42-38,201.06-15,583.43

Finding the Fourth Proportional to 27,684.42, 38,201.06 and 15,583.43

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Solution

The fourth proportional to 27,684.42, 38,201.06 and 15,583.43 is: 21,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.42 : 38,201.06 = 15,583.43 : x
  2. Step 2: Convert to fraction form
    27,684.42/38,201.06 = 15,583.43/x
  3. Step 3: Cross multiply
    27,684.42x = 38,201.06 × 15,583.43
  4. Step 4: Simplify right side
    27,684.42x = 595,303,275.51
  5. Step 5: Solve for x
    x = 595,303,275.51/27,684.42
  6. Step 6: Final answer
    x = 21,503.19

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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.