Home / 26,421.20-39,631.80-16,053.20

Finding the Fourth Proportional to 26,421.20, 39,631.80 and 16,053.20

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Solution

The fourth proportional to 26,421.20, 39,631.80 and 16,053.20 is: 24,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.20 : 39,631.80 = 16,053.20 : x
  2. Step 2: Convert to fraction form
    26,421.20/39,631.80 = 16,053.20/x
  3. Step 3: Cross multiply
    26,421.20x = 39,631.80 × 16,053.20
  4. Step 4: Simplify right side
    26,421.20x = 636,217,211.76
  5. Step 5: Solve for x
    x = 636,217,211.76/26,421.20
  6. Step 6: Final answer
    x = 24,079.80

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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.