Home / 65,128.24-97,692.60-15,880.24

Finding the Fourth Proportional to 65,128.24, 97,692.60 and 15,880.24

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Solution

The fourth proportional to 65,128.24, 97,692.60 and 15,880.24 is: 23,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,128.24 : 97,692.60 = 15,880.24 : x
  2. Step 2: Convert to fraction form
    65,128.24/97,692.60 = 15,880.24/x
  3. Step 3: Cross multiply
    65,128.24x = 97,692.60 × 15,880.24
  4. Step 4: Simplify right side
    65,128.24x = 1,551,381,934.22
  5. Step 5: Solve for x
    x = 1,551,381,934.22/65,128.24
  6. Step 6: Final answer
    x = 23,820.42

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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.