Home / 26,447.02-39,670.26-7,979.02

Finding the Fourth Proportional to 26,447.02, 39,670.26 and 7,979.02

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Solution

The fourth proportional to 26,447.02, 39,670.26 and 7,979.02 is: 11,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,447.02 : 39,670.26 = 7,979.02 : x
  2. Step 2: Convert to fraction form
    26,447.02/39,670.26 = 7,979.02/x
  3. Step 3: Cross multiply
    26,447.02x = 39,670.26 × 7,979.02
  4. Step 4: Simplify right side
    26,447.02x = 316,529,797.95
  5. Step 5: Solve for x
    x = 316,529,797.95/26,447.02
  6. Step 6: Final answer
    x = 11,968.45

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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.