Home / 38,626.47-53,300.07-21,628.35

Finding the Fourth Proportional to 38,626.47, 53,300.07 and 21,628.35

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Solution

The fourth proportional to 38,626.47, 53,300.07 and 21,628.35 is: 29,844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,626.47 : 53,300.07 = 21,628.35 : x
  2. Step 2: Convert to fraction form
    38,626.47/53,300.07 = 21,628.35/x
  3. Step 3: Cross multiply
    38,626.47x = 53,300.07 × 21,628.35
  4. Step 4: Simplify right side
    38,626.47x = 1,152,792,568.98
  5. Step 5: Solve for x
    x = 1,152,792,568.98/38,626.47
  6. Step 6: Final answer
    x = 29,844.63

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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.