Home / 28,631.62-39,511.56-16,056.64

Finding the Fourth Proportional to 28,631.62, 39,511.56 and 16,056.64

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Solution

The fourth proportional to 28,631.62, 39,511.56 and 16,056.64 is: 22,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.62 : 39,511.56 = 16,056.64 : x
  2. Step 2: Convert to fraction form
    28,631.62/39,511.56 = 16,056.64/x
  3. Step 3: Cross multiply
    28,631.62x = 39,511.56 × 16,056.64
  4. Step 4: Simplify right side
    28,631.62x = 634,422,894.76
  5. Step 5: Solve for x
    x = 634,422,894.76/28,631.62
  6. Step 6: Final answer
    x = 22,158.12

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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.