Home / 28,412.49-39,200.54-16,473.43

Finding the Fourth Proportional to 28,412.49, 39,200.54 and 16,473.43

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Solution

The fourth proportional to 28,412.49, 39,200.54 and 16,473.43 is: 22,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.49 : 39,200.54 = 16,473.43 : x
  2. Step 2: Convert to fraction form
    28,412.49/39,200.54 = 16,473.43/x
  3. Step 3: Cross multiply
    28,412.49x = 39,200.54 × 16,473.43
  4. Step 4: Simplify right side
    28,412.49x = 645,767,269.29
  5. Step 5: Solve for x
    x = 645,767,269.29/28,412.49
  6. Step 6: Final answer
    x = 22,728.29

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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.