Home / 21,730.22-32,595.34-13,988.24

Finding the Fourth Proportional to 21,730.22, 32,595.34 and 13,988.24

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Solution

The fourth proportional to 21,730.22, 32,595.34 and 13,988.24 is: 20,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730.22 : 32,595.34 = 13,988.24 : x
  2. Step 2: Convert to fraction form
    21,730.22/32,595.34 = 13,988.24/x
  3. Step 3: Cross multiply
    21,730.22x = 32,595.34 × 13,988.24
  4. Step 4: Simplify right side
    21,730.22x = 455,951,450.35
  5. Step 5: Solve for x
    x = 455,951,450.35/21,730.22
  6. Step 6: Final answer
    x = 20,982.36

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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.