Home / 25,451.67-35,123.49-13,966.50

Finding the Fourth Proportional to 25,451.67, 35,123.49 and 13,966.50

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Solution

The fourth proportional to 25,451.67, 35,123.49 and 13,966.50 is: 19,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.67 : 35,123.49 = 13,966.50 : x
  2. Step 2: Convert to fraction form
    25,451.67/35,123.49 = 13,966.50/x
  3. Step 3: Cross multiply
    25,451.67x = 35,123.49 × 13,966.50
  4. Step 4: Simplify right side
    25,451.67x = 490,552,223.09
  5. Step 5: Solve for x
    x = 490,552,223.09/25,451.67
  6. Step 6: Final answer
    x = 19,273.87

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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.