Home / 27,444.05-37,871.23-15,507.58

Finding the Fourth Proportional to 27,444.05, 37,871.23 and 15,507.58

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Solution

The fourth proportional to 27,444.05, 37,871.23 and 15,507.58 is: 21,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,444.05 : 37,871.23 = 15,507.58 : x
  2. Step 2: Convert to fraction form
    27,444.05/37,871.23 = 15,507.58/x
  3. Step 3: Cross multiply
    27,444.05x = 37,871.23 × 15,507.58
  4. Step 4: Simplify right side
    27,444.05x = 587,291,128.92
  5. Step 5: Solve for x
    x = 587,291,128.92/27,444.05
  6. Step 6: Final answer
    x = 21,399.58

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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.