Home / 28,999.84-40,022.60-16,255.18

Finding the Fourth Proportional to 28,999.84, 40,022.60 and 16,255.18

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Solution

The fourth proportional to 28,999.84, 40,022.60 and 16,255.18 is: 22,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.84 : 40,022.60 = 16,255.18 : x
  2. Step 2: Convert to fraction form
    28,999.84/40,022.60 = 16,255.18/x
  3. Step 3: Cross multiply
    28,999.84x = 40,022.60 × 16,255.18
  4. Step 4: Simplify right side
    28,999.84x = 650,574,567.07
  5. Step 5: Solve for x
    x = 650,574,567.07/28,999.84
  6. Step 6: Final answer
    x = 22,433.73

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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.