Home / 21,567.87-32,308.07-11,157.75

Finding the Fourth Proportional to 21,567.87, 32,308.07 and 11,157.75

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Solution

The fourth proportional to 21,567.87, 32,308.07 and 11,157.75 is: 16,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567.87 : 32,308.07 = 11,157.75 : x
  2. Step 2: Convert to fraction form
    21,567.87/32,308.07 = 11,157.75/x
  3. Step 3: Cross multiply
    21,567.87x = 32,308.07 × 11,157.75
  4. Step 4: Simplify right side
    21,567.87x = 360,485,312.25
  5. Step 5: Solve for x
    x = 360,485,312.25/21,567.87
  6. Step 6: Final answer
    x = 16,714.00

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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.