Home / 21,972.34-32,939.07-16,418.98

Finding the Fourth Proportional to 21,972.34, 32,939.07 and 16,418.98

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Solution

The fourth proportional to 21,972.34, 32,939.07 and 16,418.98 is: 24,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.34 : 32,939.07 = 16,418.98 : x
  2. Step 2: Convert to fraction form
    21,972.34/32,939.07 = 16,418.98/x
  3. Step 3: Cross multiply
    21,972.34x = 32,939.07 × 16,418.98
  4. Step 4: Simplify right side
    21,972.34x = 540,825,931.55
  5. Step 5: Solve for x
    x = 540,825,931.55/21,972.34
  6. Step 6: Final answer
    x = 24,613.94

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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.