Home / 17,402.79-26,105.76-4,923

Finding the Fourth Proportional to 17,402.79, 26,105.76 and 4,923

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Solution

The fourth proportional to 17,402.79, 26,105.76 and 4,923 is: 7,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,402.79 : 26,105.76 = 4,923 : x
  2. Step 2: Convert to fraction form
    17,402.79/26,105.76 = 4,923/x
  3. Step 3: Cross multiply
    17,402.79x = 26,105.76 × 4,923
  4. Step 4: Simplify right side
    17,402.79x = 128,518,656.48
  5. Step 5: Solve for x
    x = 128,518,656.48/17,402.79
  6. Step 6: Final answer
    x = 7,384.95

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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.