Home / 25,456.73-35,132.20-14,128.36

Finding the Fourth Proportional to 25,456.73, 35,132.20 and 14,128.36

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Solution

The fourth proportional to 25,456.73, 35,132.20 and 14,128.36 is: 19,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.73 : 35,132.20 = 14,128.36 : x
  2. Step 2: Convert to fraction form
    25,456.73/35,132.20 = 14,128.36/x
  3. Step 3: Cross multiply
    25,456.73x = 35,132.20 × 14,128.36
  4. Step 4: Simplify right side
    25,456.73x = 496,360,369.19
  5. Step 5: Solve for x
    x = 496,360,369.19/25,456.73
  6. Step 6: Final answer
    x = 19,498.20

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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.