Home / 19,360.24-26,704.40-15,375.04

Finding the Fourth Proportional to 19,360.24, 26,704.40 and 15,375.04

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Solution

The fourth proportional to 19,360.24, 26,704.40 and 15,375.04 is: 21,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.24 : 26,704.40 = 15,375.04 : x
  2. Step 2: Convert to fraction form
    19,360.24/26,704.40 = 15,375.04/x
  3. Step 3: Cross multiply
    19,360.24x = 26,704.40 × 15,375.04
  4. Step 4: Simplify right side
    19,360.24x = 410,581,218.18
  5. Step 5: Solve for x
    x = 410,581,218.18/19,360.24
  6. Step 6: Final answer
    x = 21,207.44

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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.