Home / 19,926.30-29,907.91-10,072.50

Finding the Fourth Proportional to 19,926.30, 29,907.91 and 10,072.50

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Solution

The fourth proportional to 19,926.30, 29,907.91 and 10,072.50 is: 15,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.30 : 29,907.91 = 10,072.50 : x
  2. Step 2: Convert to fraction form
    19,926.30/29,907.91 = 10,072.50/x
  3. Step 3: Cross multiply
    19,926.30x = 29,907.91 × 10,072.50
  4. Step 4: Simplify right side
    19,926.30x = 301,247,463.81
  5. Step 5: Solve for x
    x = 301,247,463.81/19,926.30
  6. Step 6: Final answer
    x = 15,118.08

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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.