Home / 27,439.74-37,867.62-15,503.58

Finding the Fourth Proportional to 27,439.74, 37,867.62 and 15,503.58

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Solution

The fourth proportional to 27,439.74, 37,867.62 and 15,503.58 is: 21,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,439.74 : 37,867.62 = 15,503.58 : x
  2. Step 2: Convert to fraction form
    27,439.74/37,867.62 = 15,503.58/x
  3. Step 3: Cross multiply
    27,439.74x = 37,867.62 × 15,503.58
  4. Step 4: Simplify right side
    27,439.74x = 587,083,676.08
  5. Step 5: Solve for x
    x = 587,083,676.08/27,439.74
  6. Step 6: Final answer
    x = 21,395.38

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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.