Home / 28,628.59-42,946.94-11,100.19

Finding the Fourth Proportional to 28,628.59, 42,946.94 and 11,100.19

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Solution

The fourth proportional to 28,628.59, 42,946.94 and 11,100.19 is: 16,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,628.59 : 42,946.94 = 11,100.19 : x
  2. Step 2: Convert to fraction form
    28,628.59/42,946.94 = 11,100.19/x
  3. Step 3: Cross multiply
    28,628.59x = 42,946.94 × 11,100.19
  4. Step 4: Simplify right side
    28,628.59x = 476,719,031.05
  5. Step 5: Solve for x
    x = 476,719,031.05/28,628.59
  6. Step 6: Final answer
    x = 16,651.85

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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.