Home / 31,849.81-43,852.35-28,897.36

Finding the Fourth Proportional to 31,849.81, 43,852.35 and 28,897.36

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Solution

The fourth proportional to 31,849.81, 43,852.35 and 28,897.36 is: 39,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.81 : 43,852.35 = 28,897.36 : x
  2. Step 2: Convert to fraction form
    31,849.81/43,852.35 = 28,897.36/x
  3. Step 3: Cross multiply
    31,849.81x = 43,852.35 × 28,897.36
  4. Step 4: Simplify right side
    31,849.81x = 1,267,217,144.80
  5. Step 5: Solve for x
    x = 1,267,217,144.80/31,849.81
  6. Step 6: Final answer
    x = 39,787.27

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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.