Home / 29,270.88-43,898.40-8,209.76

Finding the Fourth Proportional to 29,270.88, 43,898.40 and 8,209.76

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Solution

The fourth proportional to 29,270.88, 43,898.40 and 8,209.76 is: 12,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270.88 : 43,898.40 = 8,209.76 : x
  2. Step 2: Convert to fraction form
    29,270.88/43,898.40 = 8,209.76/x
  3. Step 3: Cross multiply
    29,270.88x = 43,898.40 × 8,209.76
  4. Step 4: Simplify right side
    29,270.88x = 360,395,328.38
  5. Step 5: Solve for x
    x = 360,395,328.38/29,270.88
  6. Step 6: Final answer
    x = 12,312.42

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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.