Home / 28,279.08-42,314.94-27,587.88

Finding the Fourth Proportional to 28,279.08, 42,314.94 and 27,587.88

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Solution

The fourth proportional to 28,279.08, 42,314.94 and 27,587.88 is: 41,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,279.08 : 42,314.94 = 27,587.88 : x
  2. Step 2: Convert to fraction form
    28,279.08/42,314.94 = 27,587.88/x
  3. Step 3: Cross multiply
    28,279.08x = 42,314.94 × 27,587.88
  4. Step 4: Simplify right side
    28,279.08x = 1,167,379,486.93
  5. Step 5: Solve for x
    x = 1,167,379,486.93/28,279.08
  6. Step 6: Final answer
    x = 41,280.67

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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.