Home / 28,973.80-43,447.90-13,396.20

Finding the Fourth Proportional to 28,973.80, 43,447.90 and 13,396.20

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Solution

The fourth proportional to 28,973.80, 43,447.90 and 13,396.20 is: 20,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.80 : 43,447.90 = 13,396.20 : x
  2. Step 2: Convert to fraction form
    28,973.80/43,447.90 = 13,396.20/x
  3. Step 3: Cross multiply
    28,973.80x = 43,447.90 × 13,396.20
  4. Step 4: Simplify right side
    28,973.80x = 582,036,757.98
  5. Step 5: Solve for x
    x = 582,036,757.98/28,973.80
  6. Step 6: Final answer
    x = 20,088.38

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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.