Home / 28,064.16-42,103.17-8,342.63

Finding the Fourth Proportional to 28,064.16, 42,103.17 and 8,342.63

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Solution

The fourth proportional to 28,064.16, 42,103.17 and 8,342.63 is: 12,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.16 : 42,103.17 = 8,342.63 : x
  2. Step 2: Convert to fraction form
    28,064.16/42,103.17 = 8,342.63/x
  3. Step 3: Cross multiply
    28,064.16x = 42,103.17 × 8,342.63
  4. Step 4: Simplify right side
    28,064.16x = 351,250,958.62
  5. Step 5: Solve for x
    x = 351,250,958.62/28,064.16
  6. Step 6: Final answer
    x = 12,516.00

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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.