Home / 21,157.00-31,735.40-9,462.02

Finding the Fourth Proportional to 21,157.00, 31,735.40 and 9,462.02

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Solution

The fourth proportional to 21,157.00, 31,735.40 and 9,462.02 is: 14,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,157.00 : 31,735.40 = 9,462.02 : x
  2. Step 2: Convert to fraction form
    21,157.00/31,735.40 = 9,462.02/x
  3. Step 3: Cross multiply
    21,157.00x = 31,735.40 × 9,462.02
  4. Step 4: Simplify right side
    21,157.00x = 300,280,783.52
  5. Step 5: Solve for x
    x = 300,280,783.52/21,157.00
  6. Step 6: Final answer
    x = 14,192.98

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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.