Home / 25,128.74-37,692.77-8,500.47

Finding the Fourth Proportional to 25,128.74, 37,692.77 and 8,500.47

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Solution

The fourth proportional to 25,128.74, 37,692.77 and 8,500.47 is: 12,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.74 : 37,692.77 = 8,500.47 : x
  2. Step 2: Convert to fraction form
    25,128.74/37,692.77 = 8,500.47/x
  3. Step 3: Cross multiply
    25,128.74x = 37,692.77 × 8,500.47
  4. Step 4: Simplify right side
    25,128.74x = 320,406,218.10
  5. Step 5: Solve for x
    x = 320,406,218.10/25,128.74
  6. Step 6: Final answer
    x = 12,750.59

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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.