Home / 28,724.48-39,638.50-16,623.04

Finding the Fourth Proportional to 28,724.48, 39,638.50 and 16,623.04

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Solution

The fourth proportional to 28,724.48, 39,638.50 and 16,623.04 is: 22,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.48 : 39,638.50 = 16,623.04 : x
  2. Step 2: Convert to fraction form
    28,724.48/39,638.50 = 16,623.04/x
  3. Step 3: Cross multiply
    28,724.48x = 39,638.50 × 16,623.04
  4. Step 4: Simplify right side
    28,724.48x = 658,912,428.58
  5. Step 5: Solve for x
    x = 658,912,428.58/28,724.48
  6. Step 6: Final answer
    x = 22,939.06

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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.