Home / 38,430.40-57,645.60-16,268.80

Finding the Fourth Proportional to 38,430.40, 57,645.60 and 16,268.80

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Solution

The fourth proportional to 38,430.40, 57,645.60 and 16,268.80 is: 24,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,430.40 : 57,645.60 = 16,268.80 : x
  2. Step 2: Convert to fraction form
    38,430.40/57,645.60 = 16,268.80/x
  3. Step 3: Cross multiply
    38,430.40x = 57,645.60 × 16,268.80
  4. Step 4: Simplify right side
    38,430.40x = 937,824,737.28
  5. Step 5: Solve for x
    x = 937,824,737.28/38,430.40
  6. Step 6: Final answer
    x = 24,403.20

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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.