Home / 27,811.01-38,379.23-15,064.33

Finding the Fourth Proportional to 27,811.01, 38,379.23 and 15,064.33

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Solution

The fourth proportional to 27,811.01, 38,379.23 and 15,064.33 is: 20,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.01 : 38,379.23 = 15,064.33 : x
  2. Step 2: Convert to fraction form
    27,811.01/38,379.23 = 15,064.33/x
  3. Step 3: Cross multiply
    27,811.01x = 38,379.23 × 15,064.33
  4. Step 4: Simplify right side
    27,811.01x = 578,157,364.23
  5. Step 5: Solve for x
    x = 578,157,364.23/27,811.01
  6. Step 6: Final answer
    x = 20,788.80

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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.