Home / 28,318.28-42,477.48-8,596.98

Finding the Fourth Proportional to 28,318.28, 42,477.48 and 8,596.98

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Solution

The fourth proportional to 28,318.28, 42,477.48 and 8,596.98 is: 12,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.28 : 42,477.48 = 8,596.98 : x
  2. Step 2: Convert to fraction form
    28,318.28/42,477.48 = 8,596.98/x
  3. Step 3: Cross multiply
    28,318.28x = 42,477.48 × 8,596.98
  4. Step 4: Simplify right side
    28,318.28x = 365,178,046.01
  5. Step 5: Solve for x
    x = 365,178,046.01/28,318.28
  6. Step 6: Final answer
    x = 12,895.49

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Double scale
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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.