Home / 38,784.88-58,182.54-12,483.28

Finding the Fourth Proportional to 38,784.88, 58,182.54 and 12,483.28

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Solution

The fourth proportional to 38,784.88, 58,182.54 and 12,483.28 is: 18,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784.88 : 58,182.54 = 12,483.28 : x
  2. Step 2: Convert to fraction form
    38,784.88/58,182.54 = 12,483.28/x
  3. Step 3: Cross multiply
    38,784.88x = 58,182.54 × 12,483.28
  4. Step 4: Simplify right side
    38,784.88x = 726,308,937.93
  5. Step 5: Solve for x
    x = 726,308,937.93/38,784.88
  6. Step 6: Final answer
    x = 18,726.60

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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.