Home / 28,677.60-43,022.56-9,958.24

Finding the Fourth Proportional to 28,677.60, 43,022.56 and 9,958.24

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Solution

The fourth proportional to 28,677.60, 43,022.56 and 9,958.24 is: 14,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.60 : 43,022.56 = 9,958.24 : x
  2. Step 2: Convert to fraction form
    28,677.60/43,022.56 = 9,958.24/x
  3. Step 3: Cross multiply
    28,677.60x = 43,022.56 × 9,958.24
  4. Step 4: Simplify right side
    28,677.60x = 428,428,977.89
  5. Step 5: Solve for x
    x = 428,428,977.89/28,677.60
  6. Step 6: Final answer
    x = 14,939.50

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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.