Home / 25,829.17-38,728.69-10,015.72

Finding the Fourth Proportional to 25,829.17, 38,728.69 and 10,015.72

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Solution

The fourth proportional to 25,829.17, 38,728.69 and 10,015.72 is: 15,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,829.17 : 38,728.69 = 10,015.72 : x
  2. Step 2: Convert to fraction form
    25,829.17/38,728.69 = 10,015.72/x
  3. Step 3: Cross multiply
    25,829.17x = 38,728.69 × 10,015.72
  4. Step 4: Simplify right side
    25,829.17x = 387,895,664.93
  5. Step 5: Solve for x
    x = 387,895,664.93/25,829.17
  6. Step 6: Final answer
    x = 15,017.74

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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.