Home / 25,514.24-35,217-15,442.72

Finding the Fourth Proportional to 25,514.24, 35,217 and 15,442.72

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Solution

The fourth proportional to 25,514.24, 35,217 and 15,442.72 is: 21,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,514.24 : 35,217 = 15,442.72 : x
  2. Step 2: Convert to fraction form
    25,514.24/35,217 = 15,442.72/x
  3. Step 3: Cross multiply
    25,514.24x = 35,217 × 15,442.72
  4. Step 4: Simplify right side
    25,514.24x = 543,846,270.24
  5. Step 5: Solve for x
    x = 543,846,270.24/25,514.24
  6. Step 6: Final answer
    x = 21,315.40

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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.