Home / 20,952.43-31,428.65-14,740.24

Finding the Fourth Proportional to 20,952.43, 31,428.65 and 14,740.24

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Solution

The fourth proportional to 20,952.43, 31,428.65 and 14,740.24 is: 22,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952.43 : 31,428.65 = 14,740.24 : x
  2. Step 2: Convert to fraction form
    20,952.43/31,428.65 = 14,740.24/x
  3. Step 3: Cross multiply
    20,952.43x = 31,428.65 × 14,740.24
  4. Step 4: Simplify right side
    20,952.43x = 463,265,843.88
  5. Step 5: Solve for x
    x = 463,265,843.88/20,952.43
  6. Step 6: Final answer
    x = 22,110.36

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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.