Home / 28,933.08-43,406.16-9,212.76

Finding the Fourth Proportional to 28,933.08, 43,406.16 and 9,212.76

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Solution

The fourth proportional to 28,933.08, 43,406.16 and 9,212.76 is: 13,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.08 : 43,406.16 = 9,212.76 : x
  2. Step 2: Convert to fraction form
    28,933.08/43,406.16 = 9,212.76/x
  3. Step 3: Cross multiply
    28,933.08x = 43,406.16 × 9,212.76
  4. Step 4: Simplify right side
    28,933.08x = 399,890,534.60
  5. Step 5: Solve for x
    x = 399,890,534.60/28,933.08
  6. Step 6: Final answer
    x = 13,821.22

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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.