Home / 21,864.35-32,801.40-7,072.94

Finding the Fourth Proportional to 21,864.35, 32,801.40 and 7,072.94

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Solution

The fourth proportional to 21,864.35, 32,801.40 and 7,072.94 is: 10,610.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864.35 : 32,801.40 = 7,072.94 : x
  2. Step 2: Convert to fraction form
    21,864.35/32,801.40 = 7,072.94/x
  3. Step 3: Cross multiply
    21,864.35x = 32,801.40 × 7,072.94
  4. Step 4: Simplify right side
    21,864.35x = 232,002,416.12
  5. Step 5: Solve for x
    x = 232,002,416.12/21,864.35
  6. Step 6: Final answer
    x = 10,610.99

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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.