Home / 28,636.02-42,964.97-16,170.12

Finding the Fourth Proportional to 28,636.02, 42,964.97 and 16,170.12

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Solution

The fourth proportional to 28,636.02, 42,964.97 and 16,170.12 is: 24,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.02 : 42,964.97 = 16,170.12 : x
  2. Step 2: Convert to fraction form
    28,636.02/42,964.97 = 16,170.12/x
  3. Step 3: Cross multiply
    28,636.02x = 42,964.97 × 16,170.12
  4. Step 4: Simplify right side
    28,636.02x = 694,748,639.85
  5. Step 5: Solve for x
    x = 694,748,639.85/28,636.02
  6. Step 6: Final answer
    x = 24,261.35

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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.