Home / 20,006.10-29,980.98-15,307.92

Finding the Fourth Proportional to 20,006.10, 29,980.98 and 15,307.92

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Solution

The fourth proportional to 20,006.10, 29,980.98 and 15,307.92 is: 22,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.10 : 29,980.98 = 15,307.92 : x
  2. Step 2: Convert to fraction form
    20,006.10/29,980.98 = 15,307.92/x
  3. Step 3: Cross multiply
    20,006.10x = 29,980.98 × 15,307.92
  4. Step 4: Simplify right side
    20,006.10x = 458,946,443.36
  5. Step 5: Solve for x
    x = 458,946,443.36/20,006.10
  6. Step 6: Final answer
    x = 22,940.33

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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.