Home / 28,999.64-43,492.36-9,274.11

Finding the Fourth Proportional to 28,999.64, 43,492.36 and 9,274.11

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Solution

The fourth proportional to 28,999.64, 43,492.36 and 9,274.11 is: 13,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.64 : 43,492.36 = 9,274.11 : x
  2. Step 2: Convert to fraction form
    28,999.64/43,492.36 = 9,274.11/x
  3. Step 3: Cross multiply
    28,999.64x = 43,492.36 × 9,274.11
  4. Step 4: Simplify right side
    28,999.64x = 403,352,930.80
  5. Step 5: Solve for x
    x = 403,352,930.80/28,999.64
  6. Step 6: Final answer
    x = 13,908.89

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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.