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Finding the Fourth Proportional to 27,046.80, 40,613.40 and 19,702.80

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Solution

The fourth proportional to 27,046.80, 40,613.40 and 19,702.80 is: 29,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,046.80 : 40,613.40 = 19,702.80 : x
  2. Step 2: Convert to fraction form
    27,046.80/40,613.40 = 19,702.80/x
  3. Step 3: Cross multiply
    27,046.80x = 40,613.40 × 19,702.80
  4. Step 4: Simplify right side
    27,046.80x = 800,197,697.52
  5. Step 5: Solve for x
    x = 800,197,697.52/27,046.80
  6. Step 6: Final answer
    x = 29,585.67

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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.