Home / 28,250.64-42,374.08-11,606.36

Finding the Fourth Proportional to 28,250.64, 42,374.08 and 11,606.36

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Solution

The fourth proportional to 28,250.64, 42,374.08 and 11,606.36 is: 17,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.64 : 42,374.08 = 11,606.36 : x
  2. Step 2: Convert to fraction form
    28,250.64/42,374.08 = 11,606.36/x
  3. Step 3: Cross multiply
    28,250.64x = 42,374.08 × 11,606.36
  4. Step 4: Simplify right side
    28,250.64x = 491,808,827.15
  5. Step 5: Solve for x
    x = 491,808,827.15/28,250.64
  6. Step 6: Final answer
    x = 17,408.77

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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.