Home / 28,154.93-42,148.26-17,027.96

Finding the Fourth Proportional to 28,154.93, 42,148.26 and 17,027.96

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Solution

The fourth proportional to 28,154.93, 42,148.26 and 17,027.96 is: 25,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.93 : 42,148.26 = 17,027.96 : x
  2. Step 2: Convert to fraction form
    28,154.93/42,148.26 = 17,027.96/x
  3. Step 3: Cross multiply
    28,154.93x = 42,148.26 × 17,027.96
  4. Step 4: Simplify right side
    28,154.93x = 717,698,885.35
  5. Step 5: Solve for x
    x = 717,698,885.35/28,154.93
  6. Step 6: Final answer
    x = 25,491.06

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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.