Home / 53,287.88-79,931.76-15,847.78

Finding the Fourth Proportional to 53,287.88, 79,931.76 and 15,847.78

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Solution

The fourth proportional to 53,287.88, 79,931.76 and 15,847.78 is: 23,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,287.88 : 79,931.76 = 15,847.78 : x
  2. Step 2: Convert to fraction form
    53,287.88/79,931.76 = 15,847.78/x
  3. Step 3: Cross multiply
    53,287.88x = 79,931.76 × 15,847.78
  4. Step 4: Simplify right side
    53,287.88x = 1,266,740,947.49
  5. Step 5: Solve for x
    x = 1,266,740,947.49/53,287.88
  6. Step 6: Final answer
    x = 23,771.65

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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.