Home / 28,409.42-39,204.60-16,472.45

Finding the Fourth Proportional to 28,409.42, 39,204.60 and 16,472.45

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Solution

The fourth proportional to 28,409.42, 39,204.60 and 16,472.45 is: 22,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,409.42 : 39,204.60 = 16,472.45 : x
  2. Step 2: Convert to fraction form
    28,409.42/39,204.60 = 16,472.45/x
  3. Step 3: Cross multiply
    28,409.42x = 39,204.60 × 16,472.45
  4. Step 4: Simplify right side
    28,409.42x = 645,795,617.25
  5. Step 5: Solve for x
    x = 645,795,617.25/28,409.42
  6. Step 6: Final answer
    x = 22,731.75

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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.