Home / 20,546.02-28,401.33-18,329.86

Finding the Fourth Proportional to 20,546.02, 28,401.33 and 18,329.86

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Solution

The fourth proportional to 20,546.02, 28,401.33 and 18,329.86 is: 25,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.02 : 28,401.33 = 18,329.86 : x
  2. Step 2: Convert to fraction form
    20,546.02/28,401.33 = 18,329.86/x
  3. Step 3: Cross multiply
    20,546.02x = 28,401.33 × 18,329.86
  4. Step 4: Simplify right side
    20,546.02x = 520,592,402.71
  5. Step 5: Solve for x
    x = 520,592,402.71/20,546.02
  6. Step 6: Final answer
    x = 25,337.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.