Home / 27,458.63-41,188.17-17,978.94

Finding the Fourth Proportional to 27,458.63, 41,188.17 and 17,978.94

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Solution

The fourth proportional to 27,458.63, 41,188.17 and 17,978.94 is: 26,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.63 : 41,188.17 = 17,978.94 : x
  2. Step 2: Convert to fraction form
    27,458.63/41,188.17 = 17,978.94/x
  3. Step 3: Cross multiply
    27,458.63x = 41,188.17 × 17,978.94
  4. Step 4: Simplify right side
    27,458.63x = 740,519,637.14
  5. Step 5: Solve for x
    x = 740,519,637.14/27,458.63
  6. Step 6: Final answer
    x = 26,968.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.