Home / 25,830.90-38,753.64-10,040.76

Finding the Fourth Proportional to 25,830.90, 38,753.64 and 10,040.76

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Solution

The fourth proportional to 25,830.90, 38,753.64 and 10,040.76 is: 15,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.90 : 38,753.64 = 10,040.76 : x
  2. Step 2: Convert to fraction form
    25,830.90/38,753.64 = 10,040.76/x
  3. Step 3: Cross multiply
    25,830.90x = 38,753.64 × 10,040.76
  4. Step 4: Simplify right side
    25,830.90x = 389,115,998.37
  5. Step 5: Solve for x
    x = 389,115,998.37/25,830.90
  6. Step 6: Final answer
    x = 15,063.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.