Home / 21,645.05-32,482.16-8,495.87

Finding the Fourth Proportional to 21,645.05, 32,482.16 and 8,495.87

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Solution

The fourth proportional to 21,645.05, 32,482.16 and 8,495.87 is: 12,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.05 : 32,482.16 = 8,495.87 : x
  2. Step 2: Convert to fraction form
    21,645.05/32,482.16 = 8,495.87/x
  3. Step 3: Cross multiply
    21,645.05x = 32,482.16 × 8,495.87
  4. Step 4: Simplify right side
    21,645.05x = 275,964,208.68
  5. Step 5: Solve for x
    x = 275,964,208.68/21,645.05
  6. Step 6: Final answer
    x = 12,749.53

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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.