Home / 43,400.80-65,101.20-15,692.32

Finding the Fourth Proportional to 43,400.80, 65,101.20 and 15,692.32

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Solution

The fourth proportional to 43,400.80, 65,101.20 and 15,692.32 is: 23,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,400.80 : 65,101.20 = 15,692.32 : x
  2. Step 2: Convert to fraction form
    43,400.80/65,101.20 = 15,692.32/x
  3. Step 3: Cross multiply
    43,400.80x = 65,101.20 × 15,692.32
  4. Step 4: Simplify right side
    43,400.80x = 1,021,588,862.78
  5. Step 5: Solve for x
    x = 1,021,588,862.78/43,400.80
  6. Step 6: Final answer
    x = 23,538.48

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1.5x scale

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.