Home / 25,005.70-34,511.13-14,395.78

Finding the Fourth Proportional to 25,005.70, 34,511.13 and 14,395.78

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Solution

The fourth proportional to 25,005.70, 34,511.13 and 14,395.78 is: 19,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,005.70 : 34,511.13 = 14,395.78 : x
  2. Step 2: Convert to fraction form
    25,005.70/34,511.13 = 14,395.78/x
  3. Step 3: Cross multiply
    25,005.70x = 34,511.13 × 14,395.78
  4. Step 4: Simplify right side
    25,005.70x = 496,814,635.03
  5. Step 5: Solve for x
    x = 496,814,635.03/25,005.70
  6. Step 6: Final answer
    x = 19,868.06

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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.