Home / 28,056.66-42,074.01-10,516.92

Finding the Fourth Proportional to 28,056.66, 42,074.01 and 10,516.92

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Solution

The fourth proportional to 28,056.66, 42,074.01 and 10,516.92 is: 15,771.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.66 : 42,074.01 = 10,516.92 : x
  2. Step 2: Convert to fraction form
    28,056.66/42,074.01 = 10,516.92/x
  3. Step 3: Cross multiply
    28,056.66x = 42,074.01 × 10,516.92
  4. Step 4: Simplify right side
    28,056.66x = 442,488,997.25
  5. Step 5: Solve for x
    x = 442,488,997.25/28,056.66
  6. Step 6: Final answer
    x = 15,771.26

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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.