Home / 28,195.64-42,268.56-10,677.76

Finding the Fourth Proportional to 28,195.64, 42,268.56 and 10,677.76

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Solution

The fourth proportional to 28,195.64, 42,268.56 and 10,677.76 is: 16,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.64 : 42,268.56 = 10,677.76 : x
  2. Step 2: Convert to fraction form
    28,195.64/42,268.56 = 10,677.76/x
  3. Step 3: Cross multiply
    28,195.64x = 42,268.56 × 10,677.76
  4. Step 4: Simplify right side
    28,195.64x = 451,333,539.23
  5. Step 5: Solve for x
    x = 451,333,539.23/28,195.64
  6. Step 6: Final answer
    x = 16,007.21

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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.