Home / 28,445.21-42,672.43-10,677.26

Finding the Fourth Proportional to 28,445.21, 42,672.43 and 10,677.26

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Solution

The fourth proportional to 28,445.21, 42,672.43 and 10,677.26 is: 16,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.21 : 42,672.43 = 10,677.26 : x
  2. Step 2: Convert to fraction form
    28,445.21/42,672.43 = 10,677.26/x
  3. Step 3: Cross multiply
    28,445.21x = 42,672.43 × 10,677.26
  4. Step 4: Simplify right side
    28,445.21x = 455,624,629.94
  5. Step 5: Solve for x
    x = 455,624,629.94/28,445.21
  6. Step 6: Final answer
    x = 16,017.62

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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.