Home / 21,348.90-29,435.67-16,297.74

Finding the Fourth Proportional to 21,348.90, 29,435.67 and 16,297.74

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Solution

The fourth proportional to 21,348.90, 29,435.67 and 16,297.74 is: 22,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.90 : 29,435.67 = 16,297.74 : x
  2. Step 2: Convert to fraction form
    21,348.90/29,435.67 = 16,297.74/x
  3. Step 3: Cross multiply
    21,348.90x = 29,435.67 × 16,297.74
  4. Step 4: Simplify right side
    21,348.90x = 479,734,896.39
  5. Step 5: Solve for x
    x = 479,734,896.39/21,348.90
  6. Step 6: Final answer
    x = 22,471.18

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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.