Home / 28,361.64-42,487.18-16,486.23

Finding the Fourth Proportional to 28,361.64, 42,487.18 and 16,486.23

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Solution

The fourth proportional to 28,361.64, 42,487.18 and 16,486.23 is: 24,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.64 : 42,487.18 = 16,486.23 : x
  2. Step 2: Convert to fraction form
    28,361.64/42,487.18 = 16,486.23/x
  3. Step 3: Cross multiply
    28,361.64x = 42,487.18 × 16,486.23
  4. Step 4: Simplify right side
    28,361.64x = 700,453,339.10
  5. Step 5: Solve for x
    x = 700,453,339.10/28,361.64
  6. Step 6: Final answer
    x = 24,697.21

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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.