Home / 27,326.16-37,709.73-15,389.64

Finding the Fourth Proportional to 27,326.16, 37,709.73 and 15,389.64

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Solution

The fourth proportional to 27,326.16, 37,709.73 and 15,389.64 is: 21,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,326.16 : 37,709.73 = 15,389.64 : x
  2. Step 2: Convert to fraction form
    27,326.16/37,709.73 = 15,389.64/x
  3. Step 3: Cross multiply
    27,326.16x = 37,709.73 × 15,389.64
  4. Step 4: Simplify right side
    27,326.16x = 580,339,169.20
  5. Step 5: Solve for x
    x = 580,339,169.20/27,326.16
  6. Step 6: Final answer
    x = 21,237.49

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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.