Home / 21,990.64-32,993.27-14,624.11

Finding the Fourth Proportional to 21,990.64, 32,993.27 and 14,624.11

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Solution

The fourth proportional to 21,990.64, 32,993.27 and 14,624.11 is: 21,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990.64 : 32,993.27 = 14,624.11 : x
  2. Step 2: Convert to fraction form
    21,990.64/32,993.27 = 14,624.11/x
  3. Step 3: Cross multiply
    21,990.64x = 32,993.27 × 14,624.11
  4. Step 4: Simplify right side
    21,990.64x = 482,497,209.74
  5. Step 5: Solve for x
    x = 482,497,209.74/21,990.64
  6. Step 6: Final answer
    x = 21,941.03

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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.