Home / 25,818.84-38,720.51-9,176.69

Finding the Fourth Proportional to 25,818.84, 38,720.51 and 9,176.69

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Solution

The fourth proportional to 25,818.84, 38,720.51 and 9,176.69 is: 13,762.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,818.84 : 38,720.51 = 9,176.69 : x
  2. Step 2: Convert to fraction form
    25,818.84/38,720.51 = 9,176.69/x
  3. Step 3: Cross multiply
    25,818.84x = 38,720.51 × 9,176.69
  4. Step 4: Simplify right side
    25,818.84x = 355,325,877.43
  5. Step 5: Solve for x
    x = 355,325,877.43/25,818.84
  6. Step 6: Final answer
    x = 13,762.27

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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.