Home / 17,628.48-26,429.76-8,400.96

Finding the Fourth Proportional to 17,628.48, 26,429.76 and 8,400.96

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Solution

The fourth proportional to 17,628.48, 26,429.76 and 8,400.96 is: 12,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.48 : 26,429.76 = 8,400.96 : x
  2. Step 2: Convert to fraction form
    17,628.48/26,429.76 = 8,400.96/x
  3. Step 3: Cross multiply
    17,628.48x = 26,429.76 × 8,400.96
  4. Step 4: Simplify right side
    17,628.48x = 222,035,356.57
  5. Step 5: Solve for x
    x = 222,035,356.57/17,628.48
  6. Step 6: Final answer
    x = 12,595.26

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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.