Home / 20,327.50-30,459.76-14,099.62

Finding the Fourth Proportional to 20,327.50, 30,459.76 and 14,099.62

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Solution

The fourth proportional to 20,327.50, 30,459.76 and 14,099.62 is: 21,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.50 : 30,459.76 = 14,099.62 : x
  2. Step 2: Convert to fraction form
    20,327.50/30,459.76 = 14,099.62/x
  3. Step 3: Cross multiply
    20,327.50x = 30,459.76 × 14,099.62
  4. Step 4: Simplify right side
    20,327.50x = 429,471,041.29
  5. Step 5: Solve for x
    x = 429,471,041.29/20,327.50
  6. Step 6: Final answer
    x = 21,127.59

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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.