Home / 28,820.34-39,771.99-16,073.53

Finding the Fourth Proportional to 28,820.34, 39,771.99 and 16,073.53

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Solution

The fourth proportional to 28,820.34, 39,771.99 and 16,073.53 is: 22,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.34 : 39,771.99 = 16,073.53 : x
  2. Step 2: Convert to fraction form
    28,820.34/39,771.99 = 16,073.53/x
  3. Step 3: Cross multiply
    28,820.34x = 39,771.99 × 16,073.53
  4. Step 4: Simplify right side
    28,820.34x = 639,276,274.42
  5. Step 5: Solve for x
    x = 639,276,274.42/28,820.34
  6. Step 6: Final answer
    x = 22,181.43

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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.