Home / 38,979.84-58,468.95-15,600

Finding the Fourth Proportional to 38,979.84, 58,468.95 and 15,600

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Solution

The fourth proportional to 38,979.84, 58,468.95 and 15,600 is: 23,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,979.84 : 58,468.95 = 15,600 : x
  2. Step 2: Convert to fraction form
    38,979.84/58,468.95 = 15,600/x
  3. Step 3: Cross multiply
    38,979.84x = 58,468.95 × 15,600
  4. Step 4: Simplify right side
    38,979.84x = 912,115,620
  5. Step 5: Solve for x
    x = 912,115,620/38,979.84
  6. Step 6: Final answer
    x = 23,399.68

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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.