Home / 27,003.58-37,268.30-15,670.64

Finding the Fourth Proportional to 27,003.58, 37,268.30 and 15,670.64

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Solution

The fourth proportional to 27,003.58, 37,268.30 and 15,670.64 is: 21,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,003.58 : 37,268.30 = 15,670.64 : x
  2. Step 2: Convert to fraction form
    27,003.58/37,268.30 = 15,670.64/x
  3. Step 3: Cross multiply
    27,003.58x = 37,268.30 × 15,670.64
  4. Step 4: Simplify right side
    27,003.58x = 584,018,140.24
  5. Step 5: Solve for x
    x = 584,018,140.24/27,003.58
  6. Step 6: Final answer
    x = 21,627.44

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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.