Home / 19,957.40-29,925.30-8,271.80

Finding the Fourth Proportional to 19,957.40, 29,925.30 and 8,271.80

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Solution

The fourth proportional to 19,957.40, 29,925.30 and 8,271.80 is: 12,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.40 : 29,925.30 = 8,271.80 : x
  2. Step 2: Convert to fraction form
    19,957.40/29,925.30 = 8,271.80/x
  3. Step 3: Cross multiply
    19,957.40x = 29,925.30 × 8,271.80
  4. Step 4: Simplify right side
    19,957.40x = 247,536,096.54
  5. Step 5: Solve for x
    x = 247,536,096.54/19,957.40
  6. Step 6: Final answer
    x = 12,403.22

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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.