Home / 29,302.80-40,438.35-16,553.40

Finding the Fourth Proportional to 29,302.80, 40,438.35 and 16,553.40

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Solution

The fourth proportional to 29,302.80, 40,438.35 and 16,553.40 is: 22,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,302.80 : 40,438.35 = 16,553.40 : x
  2. Step 2: Convert to fraction form
    29,302.80/40,438.35 = 16,553.40/x
  3. Step 3: Cross multiply
    29,302.80x = 40,438.35 × 16,553.40
  4. Step 4: Simplify right side
    29,302.80x = 669,392,182.89
  5. Step 5: Solve for x
    x = 669,392,182.89/29,302.80
  6. Step 6: Final answer
    x = 22,843.97

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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.