Home / 23,042.64-31,796.36-12,970.92

Finding the Fourth Proportional to 23,042.64, 31,796.36 and 12,970.92

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Solution

The fourth proportional to 23,042.64, 31,796.36 and 12,970.92 is: 17,898.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,042.64 : 31,796.36 = 12,970.92 : x
  2. Step 2: Convert to fraction form
    23,042.64/31,796.36 = 12,970.92/x
  3. Step 3: Cross multiply
    23,042.64x = 31,796.36 × 12,970.92
  4. Step 4: Simplify right side
    23,042.64x = 412,428,041.85
  5. Step 5: Solve for x
    x = 412,428,041.85/23,042.64
  6. Step 6: Final answer
    x = 17,898.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.