Home / 21,095.37-29,175.39-18,853.29

Finding the Fourth Proportional to 21,095.37, 29,175.39 and 18,853.29

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Solution

The fourth proportional to 21,095.37, 29,175.39 and 18,853.29 is: 26,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.37 : 29,175.39 = 18,853.29 : x
  2. Step 2: Convert to fraction form
    21,095.37/29,175.39 = 18,853.29/x
  3. Step 3: Cross multiply
    21,095.37x = 29,175.39 × 18,853.29
  4. Step 4: Simplify right side
    21,095.37x = 550,052,088.53
  5. Step 5: Solve for x
    x = 550,052,088.53/21,095.37
  6. Step 6: Final answer
    x = 26,074.54

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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.