Home / 17,923.70-26,890.35-15,989.30

Finding the Fourth Proportional to 17,923.70, 26,890.35 and 15,989.30

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Solution

The fourth proportional to 17,923.70, 26,890.35 and 15,989.30 is: 23,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,923.70 : 26,890.35 = 15,989.30 : x
  2. Step 2: Convert to fraction form
    17,923.70/26,890.35 = 15,989.30/x
  3. Step 3: Cross multiply
    17,923.70x = 26,890.35 × 15,989.30
  4. Step 4: Simplify right side
    17,923.70x = 429,957,873.26
  5. Step 5: Solve for x
    x = 429,957,873.26/17,923.70
  6. Step 6: Final answer
    x = 23,988.23

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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.