Home / 25,176.60-34,722.54-21,207

Finding the Fourth Proportional to 25,176.60, 34,722.54 and 21,207

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Solution

The fourth proportional to 25,176.60, 34,722.54 and 21,207 is: 29,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.60 : 34,722.54 = 21,207 : x
  2. Step 2: Convert to fraction form
    25,176.60/34,722.54 = 21,207/x
  3. Step 3: Cross multiply
    25,176.60x = 34,722.54 × 21,207
  4. Step 4: Simplify right side
    25,176.60x = 736,360,905.78
  5. Step 5: Solve for x
    x = 736,360,905.78/25,176.60
  6. Step 6: Final answer
    x = 29,247.83

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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.