Home / 27,525.48-38,000.90-18,121.38

Finding the Fourth Proportional to 27,525.48, 38,000.90 and 18,121.38

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Solution

The fourth proportional to 27,525.48, 38,000.90 and 18,121.38 is: 25,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,525.48 : 38,000.90 = 18,121.38 : x
  2. Step 2: Convert to fraction form
    27,525.48/38,000.90 = 18,121.38/x
  3. Step 3: Cross multiply
    27,525.48x = 38,000.90 × 18,121.38
  4. Step 4: Simplify right side
    27,525.48x = 688,628,749.24
  5. Step 5: Solve for x
    x = 688,628,749.24/27,525.48
  6. Step 6: Final answer
    x = 25,017.87

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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.