Home / 28,631.68-39,511.68-16,056.32

Finding the Fourth Proportional to 28,631.68, 39,511.68 and 16,056.32

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Solution

The fourth proportional to 28,631.68, 39,511.68 and 16,056.32 is: 22,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.68 : 39,511.68 = 16,056.32 : x
  2. Step 2: Convert to fraction form
    28,631.68/39,511.68 = 16,056.32/x
  3. Step 3: Cross multiply
    28,631.68x = 39,511.68 × 16,056.32
  4. Step 4: Simplify right side
    28,631.68x = 634,412,177.82
  5. Step 5: Solve for x
    x = 634,412,177.82/28,631.68
  6. Step 6: Final answer
    x = 22,157.70

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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.