Home / 21,575.41-29,758.73-14,401.71

Finding the Fourth Proportional to 21,575.41, 29,758.73 and 14,401.71

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Solution

The fourth proportional to 21,575.41, 29,758.73 and 14,401.71 is: 19,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.41 : 29,758.73 = 14,401.71 : x
  2. Step 2: Convert to fraction form
    21,575.41/29,758.73 = 14,401.71/x
  3. Step 3: Cross multiply
    21,575.41x = 29,758.73 × 14,401.71
  4. Step 4: Simplify right side
    21,575.41x = 428,576,378.63
  5. Step 5: Solve for x
    x = 428,576,378.63/21,575.41
  6. Step 6: Final answer
    x = 19,864.12

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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.