Home / 21,488.88-32,234.04-15,276.72

Finding the Fourth Proportional to 21,488.88, 32,234.04 and 15,276.72

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Solution

The fourth proportional to 21,488.88, 32,234.04 and 15,276.72 is: 22,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488.88 : 32,234.04 = 15,276.72 : x
  2. Step 2: Convert to fraction form
    21,488.88/32,234.04 = 15,276.72/x
  3. Step 3: Cross multiply
    21,488.88x = 32,234.04 × 15,276.72
  4. Step 4: Simplify right side
    21,488.88x = 492,430,403.55
  5. Step 5: Solve for x
    x = 492,430,403.55/21,488.88
  6. Step 6: Final answer
    x = 22,915.59

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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.