Home / 21,627.47-29,830.55-14,059.85

Finding the Fourth Proportional to 21,627.47, 29,830.55 and 14,059.85

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Solution

The fourth proportional to 21,627.47, 29,830.55 and 14,059.85 is: 19,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.47 : 29,830.55 = 14,059.85 : x
  2. Step 2: Convert to fraction form
    21,627.47/29,830.55 = 14,059.85/x
  3. Step 3: Cross multiply
    21,627.47x = 29,830.55 × 14,059.85
  4. Step 4: Simplify right side
    21,627.47x = 419,412,838.97
  5. Step 5: Solve for x
    x = 419,412,838.97/21,627.47
  6. Step 6: Final answer
    x = 19,392.60

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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.