Home / 28,806.48-43,173.18-12,994.56

Finding the Fourth Proportional to 28,806.48, 43,173.18 and 12,994.56

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Solution

The fourth proportional to 28,806.48, 43,173.18 and 12,994.56 is: 19,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.48 : 43,173.18 = 12,994.56 : x
  2. Step 2: Convert to fraction form
    28,806.48/43,173.18 = 12,994.56/x
  3. Step 3: Cross multiply
    28,806.48x = 43,173.18 × 12,994.56
  4. Step 4: Simplify right side
    28,806.48x = 561,016,477.90
  5. Step 5: Solve for x
    x = 561,016,477.90/28,806.48
  6. Step 6: Final answer
    x = 19,475.36

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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.