Home / 21,890.04-32,845.32-10,790.68

Finding the Fourth Proportional to 21,890.04, 32,845.32 and 10,790.68

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Solution

The fourth proportional to 21,890.04, 32,845.32 and 10,790.68 is: 16,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890.04 : 32,845.32 = 10,790.68 : x
  2. Step 2: Convert to fraction form
    21,890.04/32,845.32 = 10,790.68/x
  3. Step 3: Cross multiply
    21,890.04x = 32,845.32 × 10,790.68
  4. Step 4: Simplify right side
    21,890.04x = 354,423,337.62
  5. Step 5: Solve for x
    x = 354,423,337.62/21,890.04
  6. Step 6: Final answer
    x = 16,191.08

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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.