Home / 18,860.08-28,286.48-17,923.45

Finding the Fourth Proportional to 18,860.08, 28,286.48 and 17,923.45

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Solution

The fourth proportional to 18,860.08, 28,286.48 and 17,923.45 is: 26,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.08 : 28,286.48 = 17,923.45 : x
  2. Step 2: Convert to fraction form
    18,860.08/28,286.48 = 17,923.45/x
  3. Step 3: Cross multiply
    18,860.08x = 28,286.48 × 17,923.45
  4. Step 4: Simplify right side
    18,860.08x = 506,991,220.34
  5. Step 5: Solve for x
    x = 506,991,220.34/18,860.08
  6. Step 6: Final answer
    x = 26,881.71

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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.