Home / 21,462.68-32,203.20-8,985.62

Finding the Fourth Proportional to 21,462.68, 32,203.20 and 8,985.62

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Solution

The fourth proportional to 21,462.68, 32,203.20 and 8,985.62 is: 13,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462.68 : 32,203.20 = 8,985.62 : x
  2. Step 2: Convert to fraction form
    21,462.68/32,203.20 = 8,985.62/x
  3. Step 3: Cross multiply
    21,462.68x = 32,203.20 × 8,985.62
  4. Step 4: Simplify right side
    21,462.68x = 289,365,717.98
  5. Step 5: Solve for x
    x = 289,365,717.98/21,462.68
  6. Step 6: Final answer
    x = 13,482.27

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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.