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Finding the Fourth Proportional to 25,706, 38,559 and 9,290

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Solution

The fourth proportional to 25,706, 38,559 and 9,290 is: 13,935

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,706 : 38,559 = 9,290 : x
  2. Step 2: Convert to fraction form
    25,706/38,559 = 9,290/x
  3. Step 3: Cross multiply
    25,706x = 38,559 × 9,290
  4. Step 4: Simplify right side
    25,706x = 358,213,110
  5. Step 5: Solve for x
    x = 358,213,110/25,706
  6. Step 6: Final answer
    x = 13,935

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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.