Home / 21,004.43-29,000.36-14,705.87

Finding the Fourth Proportional to 21,004.43, 29,000.36 and 14,705.87

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Solution

The fourth proportional to 21,004.43, 29,000.36 and 14,705.87 is: 20,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004.43 : 29,000.36 = 14,705.87 : x
  2. Step 2: Convert to fraction form
    21,004.43/29,000.36 = 14,705.87/x
  3. Step 3: Cross multiply
    21,004.43x = 29,000.36 × 14,705.87
  4. Step 4: Simplify right side
    21,004.43x = 426,475,524.11
  5. Step 5: Solve for x
    x = 426,475,524.11/21,004.43
  6. Step 6: Final answer
    x = 20,304.08

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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.