Home / 21,451.04-29,584.89-15,098.66

Finding the Fourth Proportional to 21,451.04, 29,584.89 and 15,098.66

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Solution

The fourth proportional to 21,451.04, 29,584.89 and 15,098.66 is: 20,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451.04 : 29,584.89 = 15,098.66 : x
  2. Step 2: Convert to fraction form
    21,451.04/29,584.89 = 15,098.66/x
  3. Step 3: Cross multiply
    21,451.04x = 29,584.89 × 15,098.66
  4. Step 4: Simplify right side
    21,451.04x = 446,692,287.32
  5. Step 5: Solve for x
    x = 446,692,287.32/21,451.04
  6. Step 6: Final answer
    x = 20,823.80

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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.