Home / 21,889.52-32,845-13,567.32

Finding the Fourth Proportional to 21,889.52, 32,845 and 13,567.32

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Solution

The fourth proportional to 21,889.52, 32,845 and 13,567.32 is: 20,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.52 : 32,845 = 13,567.32 : x
  2. Step 2: Convert to fraction form
    21,889.52/32,845 = 13,567.32/x
  3. Step 3: Cross multiply
    21,889.52x = 32,845 × 13,567.32
  4. Step 4: Simplify right side
    21,889.52x = 445,618,625.40
  5. Step 5: Solve for x
    x = 445,618,625.40/21,889.52
  6. Step 6: Final answer
    x = 20,357.62

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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.