Home / 28,634.64-39,507.72-18,563.50

Finding the Fourth Proportional to 28,634.64, 39,507.72 and 18,563.50

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Solution

The fourth proportional to 28,634.64, 39,507.72 and 18,563.50 is: 25,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.64 : 39,507.72 = 18,563.50 : x
  2. Step 2: Convert to fraction form
    28,634.64/39,507.72 = 18,563.50/x
  3. Step 3: Cross multiply
    28,634.64x = 39,507.72 × 18,563.50
  4. Step 4: Simplify right side
    28,634.64x = 733,401,560.22
  5. Step 5: Solve for x
    x = 733,401,560.22/28,634.64
  6. Step 6: Final answer
    x = 25,612.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.