Home / 25,930.15-38,897.27-12,775.35

Finding the Fourth Proportional to 25,930.15, 38,897.27 and 12,775.35

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Solution

The fourth proportional to 25,930.15, 38,897.27 and 12,775.35 is: 19,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.15 : 38,897.27 = 12,775.35 : x
  2. Step 2: Convert to fraction form
    25,930.15/38,897.27 = 12,775.35/x
  3. Step 3: Cross multiply
    25,930.15x = 38,897.27 × 12,775.35
  4. Step 4: Simplify right side
    25,930.15x = 496,926,238.29
  5. Step 5: Solve for x
    x = 496,926,238.29/25,930.15
  6. Step 6: Final answer
    x = 19,164.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.