Home / 28,295.08-42,432.58-8,299

Finding the Fourth Proportional to 28,295.08, 42,432.58 and 8,299

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Solution

The fourth proportional to 28,295.08, 42,432.58 and 8,299 is: 12,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.08 : 42,432.58 = 8,299 : x
  2. Step 2: Convert to fraction form
    28,295.08/42,432.58 = 8,299/x
  3. Step 3: Cross multiply
    28,295.08x = 42,432.58 × 8,299
  4. Step 4: Simplify right side
    28,295.08x = 352,147,981.42
  5. Step 5: Solve for x
    x = 352,147,981.42/28,295.08
  6. Step 6: Final answer
    x = 12,445.56

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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.