Home / 20,299.92-28,018.96-16,250.93

Finding the Fourth Proportional to 20,299.92, 28,018.96 and 16,250.93

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Solution

The fourth proportional to 20,299.92, 28,018.96 and 16,250.93 is: 22,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299.92 : 28,018.96 = 16,250.93 : x
  2. Step 2: Convert to fraction form
    20,299.92/28,018.96 = 16,250.93/x
  3. Step 3: Cross multiply
    20,299.92x = 28,018.96 × 16,250.93
  4. Step 4: Simplify right side
    20,299.92x = 455,334,173.39
  5. Step 5: Solve for x
    x = 455,334,173.39/20,299.92
  6. Step 6: Final answer
    x = 22,430.35

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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.