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Finding the Fourth Proportional to 39,230, 58,845 and 11,528

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Solution

The fourth proportional to 39,230, 58,845 and 11,528 is: 17,292

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,230 : 58,845 = 11,528 : x
  2. Step 2: Convert to fraction form
    39,230/58,845 = 11,528/x
  3. Step 3: Cross multiply
    39,230x = 58,845 × 11,528
  4. Step 4: Simplify right side
    39,230x = 678,365,160
  5. Step 5: Solve for x
    x = 678,365,160/39,230
  6. Step 6: Final answer
    x = 17,292

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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.