Home / 17,628.30-26,443.65-5,148.30

Finding the Fourth Proportional to 17,628.30, 26,443.65 and 5,148.30

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Solution

The fourth proportional to 17,628.30, 26,443.65 and 5,148.30 is: 7,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.30 : 26,443.65 = 5,148.30 : x
  2. Step 2: Convert to fraction form
    17,628.30/26,443.65 = 5,148.30/x
  3. Step 3: Cross multiply
    17,628.30x = 26,443.65 × 5,148.30
  4. Step 4: Simplify right side
    17,628.30x = 136,139,843.30
  5. Step 5: Solve for x
    x = 136,139,843.30/17,628.30
  6. Step 6: Final answer
    x = 7,722.80

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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.