Home / 21,762.42-30,049.08-16,718.64

Finding the Fourth Proportional to 21,762.42, 30,049.08 and 16,718.64

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Solution

The fourth proportional to 21,762.42, 30,049.08 and 16,718.64 is: 23,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762.42 : 30,049.08 = 16,718.64 : x
  2. Step 2: Convert to fraction form
    21,762.42/30,049.08 = 16,718.64/x
  3. Step 3: Cross multiply
    21,762.42x = 30,049.08 × 16,718.64
  4. Step 4: Simplify right side
    21,762.42x = 502,379,750.85
  5. Step 5: Solve for x
    x = 502,379,750.85/21,762.42
  6. Step 6: Final answer
    x = 23,084.74

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1.5x scale

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.