Home / 28,364.16-42,532.32-16,521.96

Finding the Fourth Proportional to 28,364.16, 42,532.32 and 16,521.96

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Solution

The fourth proportional to 28,364.16, 42,532.32 and 16,521.96 is: 24,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.16 : 42,532.32 = 16,521.96 : x
  2. Step 2: Convert to fraction form
    28,364.16/42,532.32 = 16,521.96/x
  3. Step 3: Cross multiply
    28,364.16x = 42,532.32 × 16,521.96
  4. Step 4: Simplify right side
    28,364.16x = 702,717,289.75
  5. Step 5: Solve for x
    x = 702,717,289.75/28,364.16
  6. Step 6: Final answer
    x = 24,774.83

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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.