Home / 28,318.56-42,475.10-8,597.29

Finding the Fourth Proportional to 28,318.56, 42,475.10 and 8,597.29

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Solution

The fourth proportional to 28,318.56, 42,475.10 and 8,597.29 is: 12,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.56 : 42,475.10 = 8,597.29 : x
  2. Step 2: Convert to fraction form
    28,318.56/42,475.10 = 8,597.29/x
  3. Step 3: Cross multiply
    28,318.56x = 42,475.10 × 8,597.29
  4. Step 4: Simplify right side
    28,318.56x = 365,170,731.31
  5. Step 5: Solve for x
    x = 365,170,731.31/28,318.56
  6. Step 6: Final answer
    x = 12,895.10

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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.