Home / 21,480.01-32,207.08-9,631.64

Finding the Fourth Proportional to 21,480.01, 32,207.08 and 9,631.64

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Solution

The fourth proportional to 21,480.01, 32,207.08 and 9,631.64 is: 14,441.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480.01 : 32,207.08 = 9,631.64 : x
  2. Step 2: Convert to fraction form
    21,480.01/32,207.08 = 9,631.64/x
  3. Step 3: Cross multiply
    21,480.01x = 32,207.08 × 9,631.64
  4. Step 4: Simplify right side
    21,480.01x = 310,207,040.59
  5. Step 5: Solve for x
    x = 310,207,040.59/21,480.01
  6. Step 6: Final answer
    x = 14,441.66

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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.