Home / 25,558.54-38,326.86-8,913.65

Finding the Fourth Proportional to 25,558.54, 38,326.86 and 8,913.65

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Solution

The fourth proportional to 25,558.54, 38,326.86 and 8,913.65 is: 13,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.54 : 38,326.86 = 8,913.65 : x
  2. Step 2: Convert to fraction form
    25,558.54/38,326.86 = 8,913.65/x
  3. Step 3: Cross multiply
    25,558.54x = 38,326.86 × 8,913.65
  4. Step 4: Simplify right side
    25,558.54x = 341,632,024.00
  5. Step 5: Solve for x
    x = 341,632,024.00/25,558.54
  6. Step 6: Final answer
    x = 13,366.65

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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.