Home / 25,601.70-35,331.04-14,991.78

Finding the Fourth Proportional to 25,601.70, 35,331.04 and 14,991.78

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Solution

The fourth proportional to 25,601.70, 35,331.04 and 14,991.78 is: 20,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,601.70 : 35,331.04 = 14,991.78 : x
  2. Step 2: Convert to fraction form
    25,601.70/35,331.04 = 14,991.78/x
  3. Step 3: Cross multiply
    25,601.70x = 35,331.04 × 14,991.78
  4. Step 4: Simplify right side
    25,601.70x = 529,675,178.85
  5. Step 5: Solve for x
    x = 529,675,178.85/25,601.70
  6. Step 6: Final answer
    x = 20,689.06

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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.