Home / 28,740.63-43,085.36-11,206.43

Finding the Fourth Proportional to 28,740.63, 43,085.36 and 11,206.43

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Solution

The fourth proportional to 28,740.63, 43,085.36 and 11,206.43 is: 16,799.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.63 : 43,085.36 = 11,206.43 : x
  2. Step 2: Convert to fraction form
    28,740.63/43,085.36 = 11,206.43/x
  3. Step 3: Cross multiply
    28,740.63x = 43,085.36 × 11,206.43
  4. Step 4: Simplify right side
    28,740.63x = 482,832,883.45
  5. Step 5: Solve for x
    x = 482,832,883.45/28,740.63
  6. Step 6: Final answer
    x = 16,799.66

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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.