Home / 29,556.20-40,786.80-16,980.68

Finding the Fourth Proportional to 29,556.20, 40,786.80 and 16,980.68

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Solution

The fourth proportional to 29,556.20, 40,786.80 and 16,980.68 is: 23,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,556.20 : 40,786.80 = 16,980.68 : x
  2. Step 2: Convert to fraction form
    29,556.20/40,786.80 = 16,980.68/x
  3. Step 3: Cross multiply
    29,556.20x = 40,786.80 × 16,980.68
  4. Step 4: Simplify right side
    29,556.20x = 692,587,599.02
  5. Step 5: Solve for x
    x = 692,587,599.02/29,556.20
  6. Step 6: Final answer
    x = 23,432.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.