Home / 20,624.41-28,389.43-17,967.20

Finding the Fourth Proportional to 20,624.41, 28,389.43 and 17,967.20

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Solution

The fourth proportional to 20,624.41, 28,389.43 and 17,967.20 is: 24,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.41 : 28,389.43 = 17,967.20 : x
  2. Step 2: Convert to fraction form
    20,624.41/28,389.43 = 17,967.20/x
  3. Step 3: Cross multiply
    20,624.41x = 28,389.43 × 17,967.20
  4. Step 4: Simplify right side
    20,624.41x = 510,078,566.70
  5. Step 5: Solve for x
    x = 510,078,566.70/20,624.41
  6. Step 6: Final answer
    x = 24,731.79

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1.5x scale

Why These Related Problems?

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