Home / 23,136.78-31,928.77-12,526.41

Finding the Fourth Proportional to 23,136.78, 31,928.77 and 12,526.41

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Solution

The fourth proportional to 23,136.78, 31,928.77 and 12,526.41 is: 17,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.78 : 31,928.77 = 12,526.41 : x
  2. Step 2: Convert to fraction form
    23,136.78/31,928.77 = 12,526.41/x
  3. Step 3: Cross multiply
    23,136.78x = 31,928.77 × 12,526.41
  4. Step 4: Simplify right side
    23,136.78x = 399,952,999.21
  5. Step 5: Solve for x
    x = 399,952,999.21/23,136.78
  6. Step 6: Final answer
    x = 17,286.46

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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.