Home / 28,927.80-43,394.40-8,150.76

Finding the Fourth Proportional to 28,927.80, 43,394.40 and 8,150.76

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Solution

The fourth proportional to 28,927.80, 43,394.40 and 8,150.76 is: 12,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.80 : 43,394.40 = 8,150.76 : x
  2. Step 2: Convert to fraction form
    28,927.80/43,394.40 = 8,150.76/x
  3. Step 3: Cross multiply
    28,927.80x = 43,394.40 × 8,150.76
  4. Step 4: Simplify right side
    28,927.80x = 353,697,339.74
  5. Step 5: Solve for x
    x = 353,697,339.74/28,927.80
  6. Step 6: Final answer
    x = 12,226.90

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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.