Home / 25,501.73-35,181.47-15,935.09

Finding the Fourth Proportional to 25,501.73, 35,181.47 and 15,935.09

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Solution

The fourth proportional to 25,501.73, 35,181.47 and 15,935.09 is: 21,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,501.73 : 35,181.47 = 15,935.09 : x
  2. Step 2: Convert to fraction form
    25,501.73/35,181.47 = 15,935.09/x
  3. Step 3: Cross multiply
    25,501.73x = 35,181.47 × 15,935.09
  4. Step 4: Simplify right side
    25,501.73x = 560,620,018.57
  5. Step 5: Solve for x
    x = 560,620,018.57/25,501.73
  6. Step 6: Final answer
    x = 21,983.61

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1.5x scale

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.