Home / 21,371.80-32,052.84-10,271.56

Finding the Fourth Proportional to 21,371.80, 32,052.84 and 10,271.56

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Solution

The fourth proportional to 21,371.80, 32,052.84 and 10,271.56 is: 15,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371.80 : 32,052.84 = 10,271.56 : x
  2. Step 2: Convert to fraction form
    21,371.80/32,052.84 = 10,271.56/x
  3. Step 3: Cross multiply
    21,371.80x = 32,052.84 × 10,271.56
  4. Step 4: Simplify right side
    21,371.80x = 329,232,669.23
  5. Step 5: Solve for x
    x = 329,232,669.23/21,371.80
  6. Step 6: Final answer
    x = 15,405.00

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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.