Home / 28,738.18-43,090.08-11,187.46

Finding the Fourth Proportional to 28,738.18, 43,090.08 and 11,187.46

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Solution

The fourth proportional to 28,738.18, 43,090.08 and 11,187.46 is: 16,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.18 : 43,090.08 = 11,187.46 : x
  2. Step 2: Convert to fraction form
    28,738.18/43,090.08 = 11,187.46/x
  3. Step 3: Cross multiply
    28,738.18x = 43,090.08 × 11,187.46
  4. Step 4: Simplify right side
    28,738.18x = 482,068,546.40
  5. Step 5: Solve for x
    x = 482,068,546.40/28,738.18
  6. Step 6: Final answer
    x = 16,774.50

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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.