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Finding the Fourth Proportional to 23,984.76, 35,987.52 and 12,878.48

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Solution

The fourth proportional to 23,984.76, 35,987.52 and 12,878.48 is: 19,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,984.76 : 35,987.52 = 12,878.48 : x
  2. Step 2: Convert to fraction form
    23,984.76/35,987.52 = 12,878.48/x
  3. Step 3: Cross multiply
    23,984.76x = 35,987.52 × 12,878.48
  4. Step 4: Simplify right side
    23,984.76x = 463,464,556.57
  5. Step 5: Solve for x
    x = 463,464,556.57/23,984.76
  6. Step 6: Final answer
    x = 19,323.29

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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.