Home / 28,795.04-39,737.22-16,220.60

Finding the Fourth Proportional to 28,795.04, 39,737.22 and 16,220.60

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Solution

The fourth proportional to 28,795.04, 39,737.22 and 16,220.60 is: 22,384.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.04 : 39,737.22 = 16,220.60 : x
  2. Step 2: Convert to fraction form
    28,795.04/39,737.22 = 16,220.60/x
  3. Step 3: Cross multiply
    28,795.04x = 39,737.22 × 16,220.60
  4. Step 4: Simplify right side
    28,795.04x = 644,561,550.73
  5. Step 5: Solve for x
    x = 644,561,550.73/28,795.04
  6. Step 6: Final answer
    x = 22,384.46

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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.