Home / 21,576.28-32,353.60-12,573.31

Finding the Fourth Proportional to 21,576.28, 32,353.60 and 12,573.31

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Solution

The fourth proportional to 21,576.28, 32,353.60 and 12,573.31 is: 18,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.28 : 32,353.60 = 12,573.31 : x
  2. Step 2: Convert to fraction form
    21,576.28/32,353.60 = 12,573.31/x
  3. Step 3: Cross multiply
    21,576.28x = 32,353.60 × 12,573.31
  4. Step 4: Simplify right side
    21,576.28x = 406,791,842.42
  5. Step 5: Solve for x
    x = 406,791,842.42/21,576.28
  6. Step 6: Final answer
    x = 18,853.66

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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.