Home / 20,017.29-30,051.45-16,326.72

Finding the Fourth Proportional to 20,017.29, 30,051.45 and 16,326.72

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Solution

The fourth proportional to 20,017.29, 30,051.45 and 16,326.72 is: 24,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.29 : 30,051.45 = 16,326.72 : x
  2. Step 2: Convert to fraction form
    20,017.29/30,051.45 = 16,326.72/x
  3. Step 3: Cross multiply
    20,017.29x = 30,051.45 × 16,326.72
  4. Step 4: Simplify right side
    20,017.29x = 490,641,609.74
  5. Step 5: Solve for x
    x = 490,641,609.74/20,017.29
  6. Step 6: Final answer
    x = 24,510.89

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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.