Home / 21,653.42-29,872.68-14,567.54

Finding the Fourth Proportional to 21,653.42, 29,872.68 and 14,567.54

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Solution

The fourth proportional to 21,653.42, 29,872.68 and 14,567.54 is: 20,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653.42 : 29,872.68 = 14,567.54 : x
  2. Step 2: Convert to fraction form
    21,653.42/29,872.68 = 14,567.54/x
  3. Step 3: Cross multiply
    21,653.42x = 29,872.68 × 14,567.54
  4. Step 4: Simplify right side
    21,653.42x = 435,171,460.81
  5. Step 5: Solve for x
    x = 435,171,460.81/21,653.42
  6. Step 6: Final answer
    x = 20,097.12

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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.