Home / 28,877.96-43,267.65-15,706.82

Finding the Fourth Proportional to 28,877.96, 43,267.65 and 15,706.82

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Solution

The fourth proportional to 28,877.96, 43,267.65 and 15,706.82 is: 23,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.96 : 43,267.65 = 15,706.82 : x
  2. Step 2: Convert to fraction form
    28,877.96/43,267.65 = 15,706.82/x
  3. Step 3: Cross multiply
    28,877.96x = 43,267.65 × 15,706.82
  4. Step 4: Simplify right side
    28,877.96x = 679,597,190.37
  5. Step 5: Solve for x
    x = 679,597,190.37/28,877.96
  6. Step 6: Final answer
    x = 23,533.42

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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.