Home / 65,225.20-97,837.80-15,977.20

Finding the Fourth Proportional to 65,225.20, 97,837.80 and 15,977.20

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Solution

The fourth proportional to 65,225.20, 97,837.80 and 15,977.20 is: 23,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,225.20 : 97,837.80 = 15,977.20 : x
  2. Step 2: Convert to fraction form
    65,225.20/97,837.80 = 15,977.20/x
  3. Step 3: Cross multiply
    65,225.20x = 97,837.80 × 15,977.20
  4. Step 4: Simplify right side
    65,225.20x = 1,563,174,098.16
  5. Step 5: Solve for x
    x = 1,563,174,098.16/65,225.20
  6. Step 6: Final answer
    x = 23,965.80

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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.