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Finding the Fourth Proportional to 24,775.71, 37,134.90 and 11,420.79

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Solution

The fourth proportional to 24,775.71, 37,134.90 and 11,420.79 is: 17,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,775.71 : 37,134.90 = 11,420.79 : x
  2. Step 2: Convert to fraction form
    24,775.71/37,134.90 = 11,420.79/x
  3. Step 3: Cross multiply
    24,775.71x = 37,134.90 × 11,420.79
  4. Step 4: Simplify right side
    24,775.71x = 424,109,894.57
  5. Step 5: Solve for x
    x = 424,109,894.57/24,775.71
  6. Step 6: Final answer
    x = 17,117.97

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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.