Home / 28,840.78-43,266.93-12,200.73

Finding the Fourth Proportional to 28,840.78, 43,266.93 and 12,200.73

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Solution

The fourth proportional to 28,840.78, 43,266.93 and 12,200.73 is: 18,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.78 : 43,266.93 = 12,200.73 : x
  2. Step 2: Convert to fraction form
    28,840.78/43,266.93 = 12,200.73/x
  3. Step 3: Cross multiply
    28,840.78x = 43,266.93 × 12,200.73
  4. Step 4: Simplify right side
    28,840.78x = 527,888,130.86
  5. Step 5: Solve for x
    x = 527,888,130.86/28,840.78
  6. Step 6: Final answer
    x = 18,303.53

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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.