Home / 25,856.98-38,800.05-10,275.82

Finding the Fourth Proportional to 25,856.98, 38,800.05 and 10,275.82

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Solution

The fourth proportional to 25,856.98, 38,800.05 and 10,275.82 is: 15,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856.98 : 38,800.05 = 10,275.82 : x
  2. Step 2: Convert to fraction form
    25,856.98/38,800.05 = 10,275.82/x
  3. Step 3: Cross multiply
    25,856.98x = 38,800.05 × 10,275.82
  4. Step 4: Simplify right side
    25,856.98x = 398,702,329.79
  5. Step 5: Solve for x
    x = 398,702,329.79/25,856.98
  6. Step 6: Final answer
    x = 15,419.52

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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.