Home / 65,865.74-98,798.85-15,945.75

Finding the Fourth Proportional to 65,865.74, 98,798.85 and 15,945.75

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Solution

The fourth proportional to 65,865.74, 98,798.85 and 15,945.75 is: 23,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,865.74 : 98,798.85 = 15,945.75 : x
  2. Step 2: Convert to fraction form
    65,865.74/98,798.85 = 15,945.75/x
  3. Step 3: Cross multiply
    65,865.74x = 98,798.85 × 15,945.75
  4. Step 4: Simplify right side
    65,865.74x = 1,575,421,762.39
  5. Step 5: Solve for x
    x = 1,575,421,762.39/65,865.74
  6. Step 6: Final answer
    x = 23,918.68

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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.