Home / 21,572.65-32,336.70-15,635.08

Finding the Fourth Proportional to 21,572.65, 32,336.70 and 15,635.08

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Solution

The fourth proportional to 21,572.65, 32,336.70 and 15,635.08 is: 23,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.65 : 32,336.70 = 15,635.08 : x
  2. Step 2: Convert to fraction form
    21,572.65/32,336.70 = 15,635.08/x
  3. Step 3: Cross multiply
    21,572.65x = 32,336.70 × 15,635.08
  4. Step 4: Simplify right side
    21,572.65x = 505,586,891.44
  5. Step 5: Solve for x
    x = 505,586,891.44/21,572.65
  6. Step 6: Final answer
    x = 23,436.48

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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.