Home / 20,594.38-28,423.30-13,041.42

Finding the Fourth Proportional to 20,594.38, 28,423.30 and 13,041.42

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Solution

The fourth proportional to 20,594.38, 28,423.30 and 13,041.42 is: 17,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.38 : 28,423.30 = 13,041.42 : x
  2. Step 2: Convert to fraction form
    20,594.38/28,423.30 = 13,041.42/x
  3. Step 3: Cross multiply
    20,594.38x = 28,423.30 × 13,041.42
  4. Step 4: Simplify right side
    20,594.38x = 370,680,193.09
  5. Step 5: Solve for x
    x = 370,680,193.09/20,594.38
  6. Step 6: Final answer
    x = 17,999.09

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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.