Home / 19,769.80-29,568.30-16,659.40

Finding the Fourth Proportional to 19,769.80, 29,568.30 and 16,659.40

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Solution

The fourth proportional to 19,769.80, 29,568.30 and 16,659.40 is: 24,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.80 : 29,568.30 = 16,659.40 : x
  2. Step 2: Convert to fraction form
    19,769.80/29,568.30 = 16,659.40/x
  3. Step 3: Cross multiply
    19,769.80x = 29,568.30 × 16,659.40
  4. Step 4: Simplify right side
    19,769.80x = 492,590,137.02
  5. Step 5: Solve for x
    x = 492,590,137.02/19,769.80
  6. Step 6: Final answer
    x = 24,916.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.