Home / 25,780.80-35,576.40-14,451.36

Finding the Fourth Proportional to 25,780.80, 35,576.40 and 14,451.36

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Solution

The fourth proportional to 25,780.80, 35,576.40 and 14,451.36 is: 19,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,780.80 : 35,576.40 = 14,451.36 : x
  2. Step 2: Convert to fraction form
    25,780.80/35,576.40 = 14,451.36/x
  3. Step 3: Cross multiply
    25,780.80x = 35,576.40 × 14,451.36
  4. Step 4: Simplify right side
    25,780.80x = 514,127,363.90
  5. Step 5: Solve for x
    x = 514,127,363.90/25,780.80
  6. Step 6: Final answer
    x = 19,942.26

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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.