Home / 31,927.82-47,880.21-13,461.26

Finding the Fourth Proportional to 31,927.82, 47,880.21 and 13,461.26

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Solution

The fourth proportional to 31,927.82, 47,880.21 and 13,461.26 is: 20,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927.82 : 47,880.21 = 13,461.26 : x
  2. Step 2: Convert to fraction form
    31,927.82/47,880.21 = 13,461.26/x
  3. Step 3: Cross multiply
    31,927.82x = 47,880.21 × 13,461.26
  4. Step 4: Simplify right side
    31,927.82x = 644,527,955.66
  5. Step 5: Solve for x
    x = 644,527,955.66/31,927.82
  6. Step 6: Final answer
    x = 20,187.03

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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.