Home / 53,228.80-79,829.57-15,780.12

Finding the Fourth Proportional to 53,228.80, 79,829.57 and 15,780.12

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Solution

The fourth proportional to 53,228.80, 79,829.57 and 15,780.12 is: 23,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,228.80 : 79,829.57 = 15,780.12 : x
  2. Step 2: Convert to fraction form
    53,228.80/79,829.57 = 15,780.12/x
  3. Step 3: Cross multiply
    53,228.80x = 79,829.57 × 15,780.12
  4. Step 4: Simplify right side
    53,228.80x = 1,259,719,845.47
  5. Step 5: Solve for x
    x = 1,259,719,845.47/53,228.80
  6. Step 6: Final answer
    x = 23,666.13

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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.