Home / 21,928.11-32,848.43-13,588.35

Finding the Fourth Proportional to 21,928.11, 32,848.43 and 13,588.35

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Solution

The fourth proportional to 21,928.11, 32,848.43 and 13,588.35 is: 20,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.11 : 32,848.43 = 13,588.35 : x
  2. Step 2: Convert to fraction form
    21,928.11/32,848.43 = 13,588.35/x
  3. Step 3: Cross multiply
    21,928.11x = 32,848.43 × 13,588.35
  4. Step 4: Simplify right side
    21,928.11x = 446,355,895.85
  5. Step 5: Solve for x
    x = 446,355,895.85/21,928.11
  6. Step 6: Final answer
    x = 20,355.42

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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.