Home / 27,420.54-37,840.48-14,845.30

Finding the Fourth Proportional to 27,420.54, 37,840.48 and 14,845.30

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Solution

The fourth proportional to 27,420.54, 37,840.48 and 14,845.30 is: 20,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.54 : 37,840.48 = 14,845.30 : x
  2. Step 2: Convert to fraction form
    27,420.54/37,840.48 = 14,845.30/x
  3. Step 3: Cross multiply
    27,420.54x = 37,840.48 × 14,845.30
  4. Step 4: Simplify right side
    27,420.54x = 561,753,277.74
  5. Step 5: Solve for x
    x = 561,753,277.74/27,420.54
  6. Step 6: Final answer
    x = 20,486.59

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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.