Home / 21,631.04-32,404.48-14,212.96

Finding the Fourth Proportional to 21,631.04, 32,404.48 and 14,212.96

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Solution

The fourth proportional to 21,631.04, 32,404.48 and 14,212.96 is: 21,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.04 : 32,404.48 = 14,212.96 : x
  2. Step 2: Convert to fraction form
    21,631.04/32,404.48 = 14,212.96/x
  3. Step 3: Cross multiply
    21,631.04x = 32,404.48 × 14,212.96
  4. Step 4: Simplify right side
    21,631.04x = 460,563,578.06
  5. Step 5: Solve for x
    x = 460,563,578.06/21,631.04
  6. Step 6: Final answer
    x = 21,291.79

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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.