Home / 53,262.16-79,905.52-15,821.40

Finding the Fourth Proportional to 53,262.16, 79,905.52 and 15,821.40

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Solution

The fourth proportional to 53,262.16, 79,905.52 and 15,821.40 is: 23,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,262.16 : 79,905.52 = 15,821.40 : x
  2. Step 2: Convert to fraction form
    53,262.16/79,905.52 = 15,821.40/x
  3. Step 3: Cross multiply
    53,262.16x = 79,905.52 × 15,821.40
  4. Step 4: Simplify right side
    53,262.16x = 1,264,217,194.13
  5. Step 5: Solve for x
    x = 1,264,217,194.13/53,262.16
  6. Step 6: Final answer
    x = 23,735.75

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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.