Home / 29,700.62-40,986.78-16,271.90

Finding the Fourth Proportional to 29,700.62, 40,986.78 and 16,271.90

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Solution

The fourth proportional to 29,700.62, 40,986.78 and 16,271.90 is: 22,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.62 : 40,986.78 = 16,271.90 : x
  2. Step 2: Convert to fraction form
    29,700.62/40,986.78 = 16,271.90/x
  3. Step 3: Cross multiply
    29,700.62x = 40,986.78 × 16,271.90
  4. Step 4: Simplify right side
    29,700.62x = 666,932,785.48
  5. Step 5: Solve for x
    x = 666,932,785.48/29,700.62
  6. Step 6: Final answer
    x = 22,455.18

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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.