Home / 28,635.12-42,657.44-27,764.57

Finding the Fourth Proportional to 28,635.12, 42,657.44 and 27,764.57

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Solution

The fourth proportional to 28,635.12, 42,657.44 and 27,764.57 is: 41,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635.12 : 42,657.44 = 27,764.57 : x
  2. Step 2: Convert to fraction form
    28,635.12/42,657.44 = 27,764.57/x
  3. Step 3: Cross multiply
    28,635.12x = 42,657.44 × 27,764.57
  4. Step 4: Simplify right side
    28,635.12x = 1,184,365,446.72
  5. Step 5: Solve for x
    x = 1,184,365,446.72/28,635.12
  6. Step 6: Final answer
    x = 41,360.59

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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.