Home / 25,739.88-35,520.77-14,409.47

Finding the Fourth Proportional to 25,739.88, 35,520.77 and 14,409.47

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Solution

The fourth proportional to 25,739.88, 35,520.77 and 14,409.47 is: 19,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.88 : 35,520.77 = 14,409.47 : x
  2. Step 2: Convert to fraction form
    25,739.88/35,520.77 = 14,409.47/x
  3. Step 3: Cross multiply
    25,739.88x = 35,520.77 × 14,409.47
  4. Step 4: Simplify right side
    25,739.88x = 511,835,514.49
  5. Step 5: Solve for x
    x = 511,835,514.49/25,739.88
  6. Step 6: Final answer
    x = 19,884.92

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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.