Home / 23,039.50-31,796.10-12,968.90

Finding the Fourth Proportional to 23,039.50, 31,796.10 and 12,968.90

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Solution

The fourth proportional to 23,039.50, 31,796.10 and 12,968.90 is: 17,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,039.50 : 31,796.10 = 12,968.90 : x
  2. Step 2: Convert to fraction form
    23,039.50/31,796.10 = 12,968.90/x
  3. Step 3: Cross multiply
    23,039.50x = 31,796.10 × 12,968.90
  4. Step 4: Simplify right side
    23,039.50x = 412,360,441.29
  5. Step 5: Solve for x
    x = 412,360,441.29/23,039.50
  6. Step 6: Final answer
    x = 17,897.98

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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.