Home / 25,416.88-38,118.44-10,622.72

Finding the Fourth Proportional to 25,416.88, 38,118.44 and 10,622.72

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Solution

The fourth proportional to 25,416.88, 38,118.44 and 10,622.72 is: 15,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.88 : 38,118.44 = 10,622.72 : x
  2. Step 2: Convert to fraction form
    25,416.88/38,118.44 = 10,622.72/x
  3. Step 3: Cross multiply
    25,416.88x = 38,118.44 × 10,622.72
  4. Step 4: Simplify right side
    25,416.88x = 404,921,514.96
  5. Step 5: Solve for x
    x = 404,921,514.96/25,416.88
  6. Step 6: Final answer
    x = 15,931.20

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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.