Home / 25,628.68-35,356-15,013.83

Finding the Fourth Proportional to 25,628.68, 35,356 and 15,013.83

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Solution

The fourth proportional to 25,628.68, 35,356 and 15,013.83 is: 20,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.68 : 35,356 = 15,013.83 : x
  2. Step 2: Convert to fraction form
    25,628.68/35,356 = 15,013.83/x
  3. Step 3: Cross multiply
    25,628.68x = 35,356 × 15,013.83
  4. Step 4: Simplify right side
    25,628.68x = 530,828,973.48
  5. Step 5: Solve for x
    x = 530,828,973.48/25,628.68
  6. Step 6: Final answer
    x = 20,712.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.