Home / 28,416.32-42,615.84-9,944

Finding the Fourth Proportional to 28,416.32, 42,615.84 and 9,944

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Solution

The fourth proportional to 28,416.32, 42,615.84 and 9,944 is: 14,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.32 : 42,615.84 = 9,944 : x
  2. Step 2: Convert to fraction form
    28,416.32/42,615.84 = 9,944/x
  3. Step 3: Cross multiply
    28,416.32x = 42,615.84 × 9,944
  4. Step 4: Simplify right side
    28,416.32x = 423,771,912.96
  5. Step 5: Solve for x
    x = 423,771,912.96/28,416.32
  6. Step 6: Final answer
    x = 14,912.98

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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.