Home / 25,750.90-38,633.64-9,960.76

Finding the Fourth Proportional to 25,750.90, 38,633.64 and 9,960.76

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Solution

The fourth proportional to 25,750.90, 38,633.64 and 9,960.76 is: 14,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.90 : 38,633.64 = 9,960.76 : x
  2. Step 2: Convert to fraction form
    25,750.90/38,633.64 = 9,960.76/x
  3. Step 3: Cross multiply
    25,750.90x = 38,633.64 × 9,960.76
  4. Step 4: Simplify right side
    25,750.90x = 384,820,415.97
  5. Step 5: Solve for x
    x = 384,820,415.97/25,750.90
  6. Step 6: Final answer
    x = 14,943.96

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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.