Home / 27,467.72-37,905.02-15,530.60

Finding the Fourth Proportional to 27,467.72, 37,905.02 and 15,530.60

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Solution

The fourth proportional to 27,467.72, 37,905.02 and 15,530.60 is: 21,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,467.72 : 37,905.02 = 15,530.60 : x
  2. Step 2: Convert to fraction form
    27,467.72/37,905.02 = 15,530.60/x
  3. Step 3: Cross multiply
    27,467.72x = 37,905.02 × 15,530.60
  4. Step 4: Simplify right side
    27,467.72x = 588,687,703.61
  5. Step 5: Solve for x
    x = 588,687,703.61/27,467.72
  6. Step 6: Final answer
    x = 21,431.98

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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.