Home / 15,879.52-23,821.71-4,784.74

Finding the Fourth Proportional to 15,879.52, 23,821.71 and 4,784.74

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Solution

The fourth proportional to 15,879.52, 23,821.71 and 4,784.74 is: 7,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.52 : 23,821.71 = 4,784.74 : x
  2. Step 2: Convert to fraction form
    15,879.52/23,821.71 = 4,784.74/x
  3. Step 3: Cross multiply
    15,879.52x = 23,821.71 × 4,784.74
  4. Step 4: Simplify right side
    15,879.52x = 113,980,688.71
  5. Step 5: Solve for x
    x = 113,980,688.71/15,879.52
  6. Step 6: Final answer
    x = 7,177.84

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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.