Home / 28,737.60-39,661.56-16,162.26

Finding the Fourth Proportional to 28,737.60, 39,661.56 and 16,162.26

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Solution

The fourth proportional to 28,737.60, 39,661.56 and 16,162.26 is: 22,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.60 : 39,661.56 = 16,162.26 : x
  2. Step 2: Convert to fraction form
    28,737.60/39,661.56 = 16,162.26/x
  3. Step 3: Cross multiply
    28,737.60x = 39,661.56 × 16,162.26
  4. Step 4: Simplify right side
    28,737.60x = 641,020,444.73
  5. Step 5: Solve for x
    x = 641,020,444.73/28,737.60
  6. Step 6: Final answer
    x = 22,305.98

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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.