Home / 29,436-40,621.68-16,860.48

Finding the Fourth Proportional to 29,436, 40,621.68 and 16,860.48

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Solution

The fourth proportional to 29,436, 40,621.68 and 16,860.48 is: 23,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,436 : 40,621.68 = 16,860.48 : x
  2. Step 2: Convert to fraction form
    29,436/40,621.68 = 16,860.48/x
  3. Step 3: Cross multiply
    29,436x = 40,621.68 × 16,860.48
  4. Step 4: Simplify right side
    29,436x = 684,901,023.21
  5. Step 5: Solve for x
    x = 684,901,023.21/29,436
  6. Step 6: Final answer
    x = 23,267.46

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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.