Home / 20,337.37-30,552.73-14,428.82

Finding the Fourth Proportional to 20,337.37, 30,552.73 and 14,428.82

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Solution

The fourth proportional to 20,337.37, 30,552.73 and 14,428.82 is: 21,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337.37 : 30,552.73 = 14,428.82 : x
  2. Step 2: Convert to fraction form
    20,337.37/30,552.73 = 14,428.82/x
  3. Step 3: Cross multiply
    20,337.37x = 30,552.73 × 14,428.82
  4. Step 4: Simplify right side
    20,337.37x = 440,839,881.99
  5. Step 5: Solve for x
    x = 440,839,881.99/20,337.37
  6. Step 6: Final answer
    x = 21,676.35

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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.