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Finding the Fourth Proportional to 26,835.48, 40,239.72 and 9,300.60

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Solution

The fourth proportional to 26,835.48, 40,239.72 and 9,300.60 is: 13,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,835.48 : 40,239.72 = 9,300.60 : x
  2. Step 2: Convert to fraction form
    26,835.48/40,239.72 = 9,300.60/x
  3. Step 3: Cross multiply
    26,835.48x = 40,239.72 × 9,300.60
  4. Step 4: Simplify right side
    26,835.48x = 374,253,539.83
  5. Step 5: Solve for x
    x = 374,253,539.83/26,835.48
  6. Step 6: Final answer
    x = 13,946.22

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1.5x scale

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.