Home / 21,768.30-32,658.16-9,289.02

Finding the Fourth Proportional to 21,768.30, 32,658.16 and 9,289.02

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Solution

The fourth proportional to 21,768.30, 32,658.16 and 9,289.02 is: 13,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.30 : 32,658.16 = 9,289.02 : x
  2. Step 2: Convert to fraction form
    21,768.30/32,658.16 = 9,289.02/x
  3. Step 3: Cross multiply
    21,768.30x = 32,658.16 × 9,289.02
  4. Step 4: Simplify right side
    21,768.30x = 303,362,301.40
  5. Step 5: Solve for x
    x = 303,362,301.40/21,768.30
  6. Step 6: Final answer
    x = 13,935.97

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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.