Home / 25,411.40-38,118.54-7,883.72

Finding the Fourth Proportional to 25,411.40, 38,118.54 and 7,883.72

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Solution

The fourth proportional to 25,411.40, 38,118.54 and 7,883.72 is: 11,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.40 : 38,118.54 = 7,883.72 : x
  2. Step 2: Convert to fraction form
    25,411.40/38,118.54 = 7,883.72/x
  3. Step 3: Cross multiply
    25,411.40x = 38,118.54 × 7,883.72
  4. Step 4: Simplify right side
    25,411.40x = 300,515,896.17
  5. Step 5: Solve for x
    x = 300,515,896.17/25,411.40
  6. Step 6: Final answer
    x = 11,826.03

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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.