Home / 29,271.84-40,396.12-17,939.15

Finding the Fourth Proportional to 29,271.84, 40,396.12 and 17,939.15

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Solution

The fourth proportional to 29,271.84, 40,396.12 and 17,939.15 is: 24,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,271.84 : 40,396.12 = 17,939.15 : x
  2. Step 2: Convert to fraction form
    29,271.84/40,396.12 = 17,939.15/x
  3. Step 3: Cross multiply
    29,271.84x = 40,396.12 × 17,939.15
  4. Step 4: Simplify right side
    29,271.84x = 724,671,847.14
  5. Step 5: Solve for x
    x = 724,671,847.14/29,271.84
  6. Step 6: Final answer
    x = 24,756.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.