Home / 27,090.21-37,388.48-16,477.79

Finding the Fourth Proportional to 27,090.21, 37,388.48 and 16,477.79

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Solution

The fourth proportional to 27,090.21, 37,388.48 and 16,477.79 is: 22,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.21 : 37,388.48 = 16,477.79 : x
  2. Step 2: Convert to fraction form
    27,090.21/37,388.48 = 16,477.79/x
  3. Step 3: Cross multiply
    27,090.21x = 37,388.48 × 16,477.79
  4. Step 4: Simplify right side
    27,090.21x = 616,079,521.86
  5. Step 5: Solve for x
    x = 616,079,521.86/27,090.21
  6. Step 6: Final answer
    x = 22,741.78

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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.