Home / 21,361.95-32,045.27-13,095.09

Finding the Fourth Proportional to 21,361.95, 32,045.27 and 13,095.09

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Solution

The fourth proportional to 21,361.95, 32,045.27 and 13,095.09 is: 19,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361.95 : 32,045.27 = 13,095.09 : x
  2. Step 2: Convert to fraction form
    21,361.95/32,045.27 = 13,095.09/x
  3. Step 3: Cross multiply
    21,361.95x = 32,045.27 × 13,095.09
  4. Step 4: Simplify right side
    21,361.95x = 419,635,629.25
  5. Step 5: Solve for x
    x = 419,635,629.25/21,361.95
  6. Step 6: Final answer
    x = 19,644.07

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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.