Home / 28,975.64-43,455.90-10,253.84

Finding the Fourth Proportional to 28,975.64, 43,455.90 and 10,253.84

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Solution

The fourth proportional to 28,975.64, 43,455.90 and 10,253.84 is: 15,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.64 : 43,455.90 = 10,253.84 : x
  2. Step 2: Convert to fraction form
    28,975.64/43,455.90 = 10,253.84/x
  3. Step 3: Cross multiply
    28,975.64x = 43,455.90 × 10,253.84
  4. Step 4: Simplify right side
    28,975.64x = 445,589,845.66
  5. Step 5: Solve for x
    x = 445,589,845.66/28,975.64
  6. Step 6: Final answer
    x = 15,378.08

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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.