Home / 25,045.40-34,562.70-13,560.44

Finding the Fourth Proportional to 25,045.40, 34,562.70 and 13,560.44

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Solution

The fourth proportional to 25,045.40, 34,562.70 and 13,560.44 is: 18,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,045.40 : 34,562.70 = 13,560.44 : x
  2. Step 2: Convert to fraction form
    25,045.40/34,562.70 = 13,560.44/x
  3. Step 3: Cross multiply
    25,045.40x = 34,562.70 × 13,560.44
  4. Step 4: Simplify right side
    25,045.40x = 468,685,343.98
  5. Step 5: Solve for x
    x = 468,685,343.98/25,045.40
  6. Step 6: Final answer
    x = 18,713.43

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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.