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Finding the Fourth Proportional to 23,652.64, 35,486.56 and 7,012.80

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Solution

The fourth proportional to 23,652.64, 35,486.56 and 7,012.80 is: 10,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,652.64 : 35,486.56 = 7,012.80 : x
  2. Step 2: Convert to fraction form
    23,652.64/35,486.56 = 7,012.80/x
  3. Step 3: Cross multiply
    23,652.64x = 35,486.56 × 7,012.80
  4. Step 4: Simplify right side
    23,652.64x = 248,860,147.97
  5. Step 5: Solve for x
    x = 248,860,147.97/23,652.64
  6. Step 6: Final answer
    x = 10,521.45

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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.