Home / 25,456.76-35,134.53-14,129.91

Finding the Fourth Proportional to 25,456.76, 35,134.53 and 14,129.91

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Solution

The fourth proportional to 25,456.76, 35,134.53 and 14,129.91 is: 19,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.76 : 35,134.53 = 14,129.91 : x
  2. Step 2: Convert to fraction form
    25,456.76/35,134.53 = 14,129.91/x
  3. Step 3: Cross multiply
    25,456.76x = 35,134.53 × 14,129.91
  4. Step 4: Simplify right side
    25,456.76x = 496,447,676.14
  5. Step 5: Solve for x
    x = 496,447,676.14/25,456.76
  6. Step 6: Final answer
    x = 19,501.60

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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.