Home / 28,772.37-43,143.84-13,176.63

Finding the Fourth Proportional to 28,772.37, 43,143.84 and 13,176.63

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Solution

The fourth proportional to 28,772.37, 43,143.84 and 13,176.63 is: 19,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772.37 : 43,143.84 = 13,176.63 : x
  2. Step 2: Convert to fraction form
    28,772.37/43,143.84 = 13,176.63/x
  3. Step 3: Cross multiply
    28,772.37x = 43,143.84 × 13,176.63
  4. Step 4: Simplify right side
    28,772.37x = 568,490,416.46
  5. Step 5: Solve for x
    x = 568,490,416.46/28,772.37
  6. Step 6: Final answer
    x = 19,758.21

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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.