Home / 21,576.93-32,322.28-17,142.09

Finding the Fourth Proportional to 21,576.93, 32,322.28 and 17,142.09

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Solution

The fourth proportional to 21,576.93, 32,322.28 and 17,142.09 is: 25,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.93 : 32,322.28 = 17,142.09 : x
  2. Step 2: Convert to fraction form
    21,576.93/32,322.28 = 17,142.09/x
  3. Step 3: Cross multiply
    21,576.93x = 32,322.28 × 17,142.09
  4. Step 4: Simplify right side
    21,576.93x = 554,071,432.77
  5. Step 5: Solve for x
    x = 554,071,432.77/21,576.93
  6. Step 6: Final answer
    x = 25,678.88

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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.