Home / 21,527.63-29,718.23-14,369.64

Finding the Fourth Proportional to 21,527.63, 29,718.23 and 14,369.64

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Solution

The fourth proportional to 21,527.63, 29,718.23 and 14,369.64 is: 19,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.63 : 29,718.23 = 14,369.64 : x
  2. Step 2: Convert to fraction form
    21,527.63/29,718.23 = 14,369.64/x
  3. Step 3: Cross multiply
    21,527.63x = 29,718.23 × 14,369.64
  4. Step 4: Simplify right side
    21,527.63x = 427,040,250.41
  5. Step 5: Solve for x
    x = 427,040,250.41/21,527.63
  6. Step 6: Final answer
    x = 19,836.84

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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.