Home / 25,890.86-38,836.31-14,277.89

Finding the Fourth Proportional to 25,890.86, 38,836.31 and 14,277.89

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Solution

The fourth proportional to 25,890.86, 38,836.31 and 14,277.89 is: 21,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.86 : 38,836.31 = 14,277.89 : x
  2. Step 2: Convert to fraction form
    25,890.86/38,836.31 = 14,277.89/x
  3. Step 3: Cross multiply
    25,890.86x = 38,836.31 × 14,277.89
  4. Step 4: Simplify right side
    25,890.86x = 554,500,587.89
  5. Step 5: Solve for x
    x = 554,500,587.89/25,890.86
  6. Step 6: Final answer
    x = 21,416.84

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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.