Home / 28,230.96-38,955.92-16,298.14

Finding the Fourth Proportional to 28,230.96, 38,955.92 and 16,298.14

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Solution

The fourth proportional to 28,230.96, 38,955.92 and 16,298.14 is: 22,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.96 : 38,955.92 = 16,298.14 : x
  2. Step 2: Convert to fraction form
    28,230.96/38,955.92 = 16,298.14/x
  3. Step 3: Cross multiply
    28,230.96x = 38,955.92 × 16,298.14
  4. Step 4: Simplify right side
    28,230.96x = 634,909,037.99
  5. Step 5: Solve for x
    x = 634,909,037.99/28,230.96
  6. Step 6: Final answer
    x = 22,489.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.