Home / 28,774.64-43,153.92-18,228.98

Finding the Fourth Proportional to 28,774.64, 43,153.92 and 18,228.98

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Solution

The fourth proportional to 28,774.64, 43,153.92 and 18,228.98 is: 27,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.64 : 43,153.92 = 18,228.98 : x
  2. Step 2: Convert to fraction form
    28,774.64/43,153.92 = 18,228.98/x
  3. Step 3: Cross multiply
    28,774.64x = 43,153.92 × 18,228.98
  4. Step 4: Simplify right side
    28,774.64x = 786,651,944.60
  5. Step 5: Solve for x
    x = 786,651,944.60/28,774.64
  6. Step 6: Final answer
    x = 27,338.38

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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.