Home / 21,805.06-32,727.60-13,501.30

Finding the Fourth Proportional to 21,805.06, 32,727.60 and 13,501.30

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Solution

The fourth proportional to 21,805.06, 32,727.60 and 13,501.30 is: 20,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805.06 : 32,727.60 = 13,501.30 : x
  2. Step 2: Convert to fraction form
    21,805.06/32,727.60 = 13,501.30/x
  3. Step 3: Cross multiply
    21,805.06x = 32,727.60 × 13,501.30
  4. Step 4: Simplify right side
    21,805.06x = 441,865,145.88
  5. Step 5: Solve for x
    x = 441,865,145.88/21,805.06
  6. Step 6: Final answer
    x = 20,264.34

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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.