Home / 38,634.10-57,904.35-16,400.80

Finding the Fourth Proportional to 38,634.10, 57,904.35 and 16,400.80

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Solution

The fourth proportional to 38,634.10, 57,904.35 and 16,400.80 is: 24,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634.10 : 57,904.35 = 16,400.80 : x
  2. Step 2: Convert to fraction form
    38,634.10/57,904.35 = 16,400.80/x
  3. Step 3: Cross multiply
    38,634.10x = 57,904.35 × 16,400.80
  4. Step 4: Simplify right side
    38,634.10x = 949,677,663.48
  5. Step 5: Solve for x
    x = 949,677,663.48/38,634.10
  6. Step 6: Final answer
    x = 24,581.33

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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.