Home / 20,416.42-30,562.44-16,430.61

Finding the Fourth Proportional to 20,416.42, 30,562.44 and 16,430.61

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Solution

The fourth proportional to 20,416.42, 30,562.44 and 16,430.61 is: 24,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416.42 : 30,562.44 = 16,430.61 : x
  2. Step 2: Convert to fraction form
    20,416.42/30,562.44 = 16,430.61/x
  3. Step 3: Cross multiply
    20,416.42x = 30,562.44 × 16,430.61
  4. Step 4: Simplify right side
    20,416.42x = 502,159,585.28
  5. Step 5: Solve for x
    x = 502,159,585.28/20,416.42
  6. Step 6: Final answer
    x = 24,595.87

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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.