Home / 25,605.76-35,331.65-14,272.78

Finding the Fourth Proportional to 25,605.76, 35,331.65 and 14,272.78

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Solution

The fourth proportional to 25,605.76, 35,331.65 and 14,272.78 is: 19,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.76 : 35,331.65 = 14,272.78 : x
  2. Step 2: Convert to fraction form
    25,605.76/35,331.65 = 14,272.78/x
  3. Step 3: Cross multiply
    25,605.76x = 35,331.65 × 14,272.78
  4. Step 4: Simplify right side
    25,605.76x = 504,280,867.49
  5. Step 5: Solve for x
    x = 504,280,867.49/25,605.76
  6. Step 6: Final answer
    x = 19,694.04

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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.