Home / 21,885.04-32,790.30-14,849.92

Finding the Fourth Proportional to 21,885.04, 32,790.30 and 14,849.92

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Solution

The fourth proportional to 21,885.04, 32,790.30 and 14,849.92 is: 22,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885.04 : 32,790.30 = 14,849.92 : x
  2. Step 2: Convert to fraction form
    21,885.04/32,790.30 = 14,849.92/x
  3. Step 3: Cross multiply
    21,885.04x = 32,790.30 × 14,849.92
  4. Step 4: Simplify right side
    21,885.04x = 486,933,331.78
  5. Step 5: Solve for x
    x = 486,933,331.78/21,885.04
  6. Step 6: Final answer
    x = 22,249.60

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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.