Home / 25,010.58-34,514.76-13,679.94

Finding the Fourth Proportional to 25,010.58, 34,514.76 and 13,679.94

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Solution

The fourth proportional to 25,010.58, 34,514.76 and 13,679.94 is: 18,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,010.58 : 34,514.76 = 13,679.94 : x
  2. Step 2: Convert to fraction form
    25,010.58/34,514.76 = 13,679.94/x
  3. Step 3: Cross multiply
    25,010.58x = 34,514.76 × 13,679.94
  4. Step 4: Simplify right side
    25,010.58x = 472,159,845.91
  5. Step 5: Solve for x
    x = 472,159,845.91/25,010.58
  6. Step 6: Final answer
    x = 18,878.40

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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.