Home / 19,977.90-27,559.08-16,205.46

Finding the Fourth Proportional to 19,977.90, 27,559.08 and 16,205.46

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Solution

The fourth proportional to 19,977.90, 27,559.08 and 16,205.46 is: 22,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.90 : 27,559.08 = 16,205.46 : x
  2. Step 2: Convert to fraction form
    19,977.90/27,559.08 = 16,205.46/x
  3. Step 3: Cross multiply
    19,977.90x = 27,559.08 × 16,205.46
  4. Step 4: Simplify right side
    19,977.90x = 446,607,568.58
  5. Step 5: Solve for x
    x = 446,607,568.58/19,977.90
  6. Step 6: Final answer
    x = 22,355.08

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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.