Home / 28,692.09-42,749.75-27,080.61

Finding the Fourth Proportional to 28,692.09, 42,749.75 and 27,080.61

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Solution

The fourth proportional to 28,692.09, 42,749.75 and 27,080.61 is: 40,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.09 : 42,749.75 = 27,080.61 : x
  2. Step 2: Convert to fraction form
    28,692.09/42,749.75 = 27,080.61/x
  3. Step 3: Cross multiply
    28,692.09x = 42,749.75 × 27,080.61
  4. Step 4: Simplify right side
    28,692.09x = 1,157,689,307.35
  5. Step 5: Solve for x
    x = 1,157,689,307.35/28,692.09
  6. Step 6: Final answer
    x = 40,348.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.