Home / 28,902.25-39,888.35-16,327.81

Finding the Fourth Proportional to 28,902.25, 39,888.35 and 16,327.81

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Solution

The fourth proportional to 28,902.25, 39,888.35 and 16,327.81 is: 22,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.25 : 39,888.35 = 16,327.81 : x
  2. Step 2: Convert to fraction form
    28,902.25/39,888.35 = 16,327.81/x
  3. Step 3: Cross multiply
    28,902.25x = 39,888.35 × 16,327.81
  4. Step 4: Simplify right side
    28,902.25x = 651,289,400.01
  5. Step 5: Solve for x
    x = 651,289,400.01/28,902.25
  6. Step 6: Final answer
    x = 22,534.21

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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.