Home / 28,190.03-42,227.53-13,353.86

Finding the Fourth Proportional to 28,190.03, 42,227.53 and 13,353.86

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Solution

The fourth proportional to 28,190.03, 42,227.53 and 13,353.86 is: 20,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190.03 : 42,227.53 = 13,353.86 : x
  2. Step 2: Convert to fraction form
    28,190.03/42,227.53 = 13,353.86/x
  3. Step 3: Cross multiply
    28,190.03x = 42,227.53 × 13,353.86
  4. Step 4: Simplify right side
    28,190.03x = 563,900,595.95
  5. Step 5: Solve for x
    x = 563,900,595.95/28,190.03
  6. Step 6: Final answer
    x = 20,003.55

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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.