Home / 27,879.96-38,421.24-27,367.55

Finding the Fourth Proportional to 27,879.96, 38,421.24 and 27,367.55

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Solution

The fourth proportional to 27,879.96, 38,421.24 and 27,367.55 is: 37,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,879.96 : 38,421.24 = 27,367.55 : x
  2. Step 2: Convert to fraction form
    27,879.96/38,421.24 = 27,367.55/x
  3. Step 3: Cross multiply
    27,879.96x = 38,421.24 × 27,367.55
  4. Step 4: Simplify right side
    27,879.96x = 1,051,495,206.76
  5. Step 5: Solve for x
    x = 1,051,495,206.76/27,879.96
  6. Step 6: Final answer
    x = 37,715.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.