Home / 28,319.69-42,476.79-8,598.41

Finding the Fourth Proportional to 28,319.69, 42,476.79 and 8,598.41

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Solution

The fourth proportional to 28,319.69, 42,476.79 and 8,598.41 is: 12,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,319.69 : 42,476.79 = 8,598.41 : x
  2. Step 2: Convert to fraction form
    28,319.69/42,476.79 = 8,598.41/x
  3. Step 3: Cross multiply
    28,319.69x = 42,476.79 × 8,598.41
  4. Step 4: Simplify right side
    28,319.69x = 365,233,025.62
  5. Step 5: Solve for x
    x = 365,233,025.62/28,319.69
  6. Step 6: Final answer
    x = 12,896.79

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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.