Home / 28,795.28-39,737.13-16,220.06

Finding the Fourth Proportional to 28,795.28, 39,737.13 and 16,220.06

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Solution

The fourth proportional to 28,795.28, 39,737.13 and 16,220.06 is: 22,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.28 : 39,737.13 = 16,220.06 : x
  2. Step 2: Convert to fraction form
    28,795.28/39,737.13 = 16,220.06/x
  3. Step 3: Cross multiply
    28,795.28x = 39,737.13 × 16,220.06
  4. Step 4: Simplify right side
    28,795.28x = 644,538,632.83
  5. Step 5: Solve for x
    x = 644,538,632.83/28,795.28
  6. Step 6: Final answer
    x = 22,383.48

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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.