Home / 24,019.60-36,029.40-8,438.80

Finding the Fourth Proportional to 24,019.60, 36,029.40 and 8,438.80

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Solution

The fourth proportional to 24,019.60, 36,029.40 and 8,438.80 is: 12,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,019.60 : 36,029.40 = 8,438.80 : x
  2. Step 2: Convert to fraction form
    24,019.60/36,029.40 = 8,438.80/x
  3. Step 3: Cross multiply
    24,019.60x = 36,029.40 × 8,438.80
  4. Step 4: Simplify right side
    24,019.60x = 304,044,900.72
  5. Step 5: Solve for x
    x = 304,044,900.72/24,019.60
  6. Step 6: Final answer
    x = 12,658.20

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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.