Home / 28,256.32-42,375.66-9,784

Finding the Fourth Proportional to 28,256.32, 42,375.66 and 9,784

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Solution

The fourth proportional to 28,256.32, 42,375.66 and 9,784 is: 14,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.32 : 42,375.66 = 9,784 : x
  2. Step 2: Convert to fraction form
    28,256.32/42,375.66 = 9,784/x
  3. Step 3: Cross multiply
    28,256.32x = 42,375.66 × 9,784
  4. Step 4: Simplify right side
    28,256.32x = 414,603,457.44
  5. Step 5: Solve for x
    x = 414,603,457.44/28,256.32
  6. Step 6: Final answer
    x = 14,672.95

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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.