Home / 28,515.72-42,783.12-16,060.14

Finding the Fourth Proportional to 28,515.72, 42,783.12 and 16,060.14

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Solution

The fourth proportional to 28,515.72, 42,783.12 and 16,060.14 is: 24,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515.72 : 42,783.12 = 16,060.14 : x
  2. Step 2: Convert to fraction form
    28,515.72/42,783.12 = 16,060.14/x
  3. Step 3: Cross multiply
    28,515.72x = 42,783.12 × 16,060.14
  4. Step 4: Simplify right side
    28,515.72x = 687,102,896.84
  5. Step 5: Solve for x
    x = 687,102,896.84/28,515.72
  6. Step 6: Final answer
    x = 24,095.58

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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.