Home / 25,306.40-34,887.84-21,063.62

Finding the Fourth Proportional to 25,306.40, 34,887.84 and 21,063.62

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Solution

The fourth proportional to 25,306.40, 34,887.84 and 21,063.62 is: 29,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,306.40 : 34,887.84 = 21,063.62 : x
  2. Step 2: Convert to fraction form
    25,306.40/34,887.84 = 21,063.62/x
  3. Step 3: Cross multiply
    25,306.40x = 34,887.84 × 21,063.62
  4. Step 4: Simplify right side
    25,306.40x = 734,864,204.38
  5. Step 5: Solve for x
    x = 734,864,204.38/25,306.40
  6. Step 6: Final answer
    x = 29,038.67

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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.