Home / 31,525.89-43,472.34-28,351.77

Finding the Fourth Proportional to 31,525.89, 43,472.34 and 28,351.77

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Solution

The fourth proportional to 31,525.89, 43,472.34 and 28,351.77 is: 39,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525.89 : 43,472.34 = 28,351.77 : x
  2. Step 2: Convert to fraction form
    31,525.89/43,472.34 = 28,351.77/x
  3. Step 3: Cross multiply
    31,525.89x = 43,472.34 × 28,351.77
  4. Step 4: Simplify right side
    31,525.89x = 1,232,517,785.04
  5. Step 5: Solve for x
    x = 1,232,517,785.04/31,525.89
  6. Step 6: Final answer
    x = 39,095.42

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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.