Home / 28,756.64-43,099.44-12,110.84

Finding the Fourth Proportional to 28,756.64, 43,099.44 and 12,110.84

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Solution

The fourth proportional to 28,756.64, 43,099.44 and 12,110.84 is: 18,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.64 : 43,099.44 = 12,110.84 : x
  2. Step 2: Convert to fraction form
    28,756.64/43,099.44 = 12,110.84/x
  3. Step 3: Cross multiply
    28,756.64x = 43,099.44 × 12,110.84
  4. Step 4: Simplify right side
    28,756.64x = 521,970,421.93
  5. Step 5: Solve for x
    x = 521,970,421.93/28,756.64
  6. Step 6: Final answer
    x = 18,151.30

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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.