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Finding the Fourth Proportional to 26,602.32, 39,910.32 and 9,962.60

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Solution

The fourth proportional to 26,602.32, 39,910.32 and 9,962.60 is: 14,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,602.32 : 39,910.32 = 9,962.60 : x
  2. Step 2: Convert to fraction form
    26,602.32/39,910.32 = 9,962.60/x
  3. Step 3: Cross multiply
    26,602.32x = 39,910.32 × 9,962.60
  4. Step 4: Simplify right side
    26,602.32x = 397,610,554.03
  5. Step 5: Solve for x
    x = 397,610,554.03/26,602.32
  6. Step 6: Final answer
    x = 14,946.46

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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.