Home / 21,703.84-29,940.48-14,617.96

Finding the Fourth Proportional to 21,703.84, 29,940.48 and 14,617.96

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Solution

The fourth proportional to 21,703.84, 29,940.48 and 14,617.96 is: 20,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.84 : 29,940.48 = 14,617.96 : x
  2. Step 2: Convert to fraction form
    21,703.84/29,940.48 = 14,617.96/x
  3. Step 3: Cross multiply
    21,703.84x = 29,940.48 × 14,617.96
  4. Step 4: Simplify right side
    21,703.84x = 437,668,739.02
  5. Step 5: Solve for x
    x = 437,668,739.02/21,703.84
  6. Step 6: Final answer
    x = 20,165.50

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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.