Home / 21,177.99-31,772.34-14,950.17

Finding the Fourth Proportional to 21,177.99, 31,772.34 and 14,950.17

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Solution

The fourth proportional to 21,177.99, 31,772.34 and 14,950.17 is: 22,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,177.99 : 31,772.34 = 14,950.17 : x
  2. Step 2: Convert to fraction form
    21,177.99/31,772.34 = 14,950.17/x
  3. Step 3: Cross multiply
    21,177.99x = 31,772.34 × 14,950.17
  4. Step 4: Simplify right side
    21,177.99x = 475,001,884.30
  5. Step 5: Solve for x
    x = 475,001,884.30/21,177.99
  6. Step 6: Final answer
    x = 22,429.04

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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.