Home / 26,802.40-40,207.20-9,277.60

Finding the Fourth Proportional to 26,802.40, 40,207.20 and 9,277.60

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Solution

The fourth proportional to 26,802.40, 40,207.20 and 9,277.60 is: 13,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,802.40 : 40,207.20 = 9,277.60 : x
  2. Step 2: Convert to fraction form
    26,802.40/40,207.20 = 9,277.60/x
  3. Step 3: Cross multiply
    26,802.40x = 40,207.20 × 9,277.60
  4. Step 4: Simplify right side
    26,802.40x = 373,026,318.72
  5. Step 5: Solve for x
    x = 373,026,318.72/26,802.40
  6. Step 6: Final answer
    x = 13,917.65

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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.