Home / 21,674.79-29,935.89-14,588.91

Finding the Fourth Proportional to 21,674.79, 29,935.89 and 14,588.91

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Solution

The fourth proportional to 21,674.79, 29,935.89 and 14,588.91 is: 20,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674.79 : 29,935.89 = 14,588.91 : x
  2. Step 2: Convert to fraction form
    21,674.79/29,935.89 = 14,588.91/x
  3. Step 3: Cross multiply
    21,674.79x = 29,935.89 × 14,588.91
  4. Step 4: Simplify right side
    21,674.79x = 436,732,004.98
  5. Step 5: Solve for x
    x = 436,732,004.98/21,674.79
  6. Step 6: Final answer
    x = 20,149.31

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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.