Home / 25,515.98-38,291.37-8,875.83

Finding the Fourth Proportional to 25,515.98, 38,291.37 and 8,875.83

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Solution

The fourth proportional to 25,515.98, 38,291.37 and 8,875.83 is: 13,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.98 : 38,291.37 = 8,875.83 : x
  2. Step 2: Convert to fraction form
    25,515.98/38,291.37 = 8,875.83/x
  3. Step 3: Cross multiply
    25,515.98x = 38,291.37 × 8,875.83
  4. Step 4: Simplify right side
    25,515.98x = 339,867,690.59
  5. Step 5: Solve for x
    x = 339,867,690.59/25,515.98
  6. Step 6: Final answer
    x = 13,319.80

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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.