Home / 28,872.16-43,308.60-10,152.76

Finding the Fourth Proportional to 28,872.16, 43,308.60 and 10,152.76

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Solution

The fourth proportional to 28,872.16, 43,308.60 and 10,152.76 is: 15,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.16 : 43,308.60 = 10,152.76 : x
  2. Step 2: Convert to fraction form
    28,872.16/43,308.60 = 10,152.76/x
  3. Step 3: Cross multiply
    28,872.16x = 43,308.60 × 10,152.76
  4. Step 4: Simplify right side
    28,872.16x = 439,701,821.74
  5. Step 5: Solve for x
    x = 439,701,821.74/28,872.16
  6. Step 6: Final answer
    x = 15,229.27

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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.