Home / 21,632.74-29,841.61-14,921.69

Finding the Fourth Proportional to 21,632.74, 29,841.61 and 14,921.69

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Solution

The fourth proportional to 21,632.74, 29,841.61 and 14,921.69 is: 20,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.74 : 29,841.61 = 14,921.69 : x
  2. Step 2: Convert to fraction form
    21,632.74/29,841.61 = 14,921.69/x
  3. Step 3: Cross multiply
    21,632.74x = 29,841.61 × 14,921.69
  4. Step 4: Simplify right side
    21,632.74x = 445,287,029.70
  5. Step 5: Solve for x
    x = 445,287,029.70/21,632.74
  6. Step 6: Final answer
    x = 20,583.95

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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.