Home / 17,628.09-26,438.04-5,145.48

Finding the Fourth Proportional to 17,628.09, 26,438.04 and 5,145.48

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Solution

The fourth proportional to 17,628.09, 26,438.04 and 5,145.48 is: 7,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.09 : 26,438.04 = 5,145.48 : x
  2. Step 2: Convert to fraction form
    17,628.09/26,438.04 = 5,145.48/x
  3. Step 3: Cross multiply
    17,628.09x = 26,438.04 × 5,145.48
  4. Step 4: Simplify right side
    17,628.09x = 136,036,406.06
  5. Step 5: Solve for x
    x = 136,036,406.06/17,628.09
  6. Step 6: Final answer
    x = 7,717.02

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1.5x scale

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.