Home / 28,933.18-43,407.60-9,212.20

Finding the Fourth Proportional to 28,933.18, 43,407.60 and 9,212.20

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Solution

The fourth proportional to 28,933.18, 43,407.60 and 9,212.20 is: 13,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.18 : 43,407.60 = 9,212.20 : x
  2. Step 2: Convert to fraction form
    28,933.18/43,407.60 = 9,212.20/x
  3. Step 3: Cross multiply
    28,933.18x = 43,407.60 × 9,212.20
  4. Step 4: Simplify right side
    28,933.18x = 399,879,492.72
  5. Step 5: Solve for x
    x = 399,879,492.72/28,933.18
  6. Step 6: Final answer
    x = 13,820.79

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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.