Home / 27,847.65-38,379.51-20,281.98

Finding the Fourth Proportional to 27,847.65, 38,379.51 and 20,281.98

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Solution

The fourth proportional to 27,847.65, 38,379.51 and 20,281.98 is: 27,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.65 : 38,379.51 = 20,281.98 : x
  2. Step 2: Convert to fraction form
    27,847.65/38,379.51 = 20,281.98/x
  3. Step 3: Cross multiply
    27,847.65x = 38,379.51 × 20,281.98
  4. Step 4: Simplify right side
    27,847.65x = 778,412,454.23
  5. Step 5: Solve for x
    x = 778,412,454.23/27,847.65
  6. Step 6: Final answer
    x = 27,952.54

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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.