Home / 31,626.04-47,447.26-16,822.78

Finding the Fourth Proportional to 31,626.04, 47,447.26 and 16,822.78

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Solution

The fourth proportional to 31,626.04, 47,447.26 and 16,822.78 is: 25,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.04 : 47,447.26 = 16,822.78 : x
  2. Step 2: Convert to fraction form
    31,626.04/47,447.26 = 16,822.78/x
  3. Step 3: Cross multiply
    31,626.04x = 47,447.26 × 16,822.78
  4. Step 4: Simplify right side
    31,626.04x = 798,194,816.58
  5. Step 5: Solve for x
    x = 798,194,816.58/31,626.04
  6. Step 6: Final answer
    x = 25,238.53

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1.5x scale

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.