Home / 27,420.75-37,840.88-16,090.43

Finding the Fourth Proportional to 27,420.75, 37,840.88 and 16,090.43

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Solution

The fourth proportional to 27,420.75, 37,840.88 and 16,090.43 is: 22,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.75 : 37,840.88 = 16,090.43 : x
  2. Step 2: Convert to fraction form
    27,420.75/37,840.88 = 16,090.43/x
  3. Step 3: Cross multiply
    27,420.75x = 37,840.88 × 16,090.43
  4. Step 4: Simplify right side
    27,420.75x = 608,876,094.66
  5. Step 5: Solve for x
    x = 608,876,094.66/27,420.75
  6. Step 6: Final answer
    x = 22,204.94

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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.