Home / 28,930.80-43,410.60-16,460.40

Finding the Fourth Proportional to 28,930.80, 43,410.60 and 16,460.40

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Solution

The fourth proportional to 28,930.80, 43,410.60 and 16,460.40 is: 24,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.80 : 43,410.60 = 16,460.40 : x
  2. Step 2: Convert to fraction form
    28,930.80/43,410.60 = 16,460.40/x
  3. Step 3: Cross multiply
    28,930.80x = 43,410.60 × 16,460.40
  4. Step 4: Simplify right side
    28,930.80x = 714,555,840.24
  5. Step 5: Solve for x
    x = 714,555,840.24/28,930.80
  6. Step 6: Final answer
    x = 24,698.79

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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.