Home / 25,519.71-38,207.67-19,259.82

Finding the Fourth Proportional to 25,519.71, 38,207.67 and 19,259.82

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Solution

The fourth proportional to 25,519.71, 38,207.67 and 19,259.82 is: 28,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.71 : 38,207.67 = 19,259.82 : x
  2. Step 2: Convert to fraction form
    25,519.71/38,207.67 = 19,259.82/x
  3. Step 3: Cross multiply
    25,519.71x = 38,207.67 × 19,259.82
  4. Step 4: Simplify right side
    25,519.71x = 735,872,846.82
  5. Step 5: Solve for x
    x = 735,872,846.82/25,519.71
  6. Step 6: Final answer
    x = 28,835.47

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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.