Home / 21,601.71-32,321.73-15,376.05

Finding the Fourth Proportional to 21,601.71, 32,321.73 and 15,376.05

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Solution

The fourth proportional to 21,601.71, 32,321.73 and 15,376.05 is: 23,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.71 : 32,321.73 = 15,376.05 : x
  2. Step 2: Convert to fraction form
    21,601.71/32,321.73 = 15,376.05/x
  3. Step 3: Cross multiply
    21,601.71x = 32,321.73 × 15,376.05
  4. Step 4: Simplify right side
    21,601.71x = 496,980,536.57
  5. Step 5: Solve for x
    x = 496,980,536.57/21,601.71
  6. Step 6: Final answer
    x = 23,006.54

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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.