Home / 31,977.88-43,894.67-28,362.04

Finding the Fourth Proportional to 31,977.88, 43,894.67 and 28,362.04

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Solution

The fourth proportional to 31,977.88, 43,894.67 and 28,362.04 is: 38,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.88 : 43,894.67 = 28,362.04 : x
  2. Step 2: Convert to fraction form
    31,977.88/43,894.67 = 28,362.04/x
  3. Step 3: Cross multiply
    31,977.88x = 43,894.67 × 28,362.04
  4. Step 4: Simplify right side
    31,977.88x = 1,244,942,386.33
  5. Step 5: Solve for x
    x = 1,244,942,386.33/31,977.88
  6. Step 6: Final answer
    x = 38,931.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.