Home / 27,994.55-38,681.67-22,375.68

Finding the Fourth Proportional to 27,994.55, 38,681.67 and 22,375.68

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Solution

The fourth proportional to 27,994.55, 38,681.67 and 22,375.68 is: 30,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.55 : 38,681.67 = 22,375.68 : x
  2. Step 2: Convert to fraction form
    27,994.55/38,681.67 = 22,375.68/x
  3. Step 3: Cross multiply
    27,994.55x = 38,681.67 × 22,375.68
  4. Step 4: Simplify right side
    27,994.55x = 865,528,669.79
  5. Step 5: Solve for x
    x = 865,528,669.79/27,994.55
  6. Step 6: Final answer
    x = 30,917.76

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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.