Home / 27,325.86-37,709.04-15,389.24

Finding the Fourth Proportional to 27,325.86, 37,709.04 and 15,389.24

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Solution

The fourth proportional to 27,325.86, 37,709.04 and 15,389.24 is: 21,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,325.86 : 37,709.04 = 15,389.24 : x
  2. Step 2: Convert to fraction form
    27,325.86/37,709.04 = 15,389.24/x
  3. Step 3: Cross multiply
    27,325.86x = 37,709.04 × 15,389.24
  4. Step 4: Simplify right side
    27,325.86x = 580,313,548.01
  5. Step 5: Solve for x
    x = 580,313,548.01/27,325.86
  6. Step 6: Final answer
    x = 21,236.79

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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.