Home / 28,025.21-38,652.91-17,954.58

Finding the Fourth Proportional to 28,025.21, 38,652.91 and 17,954.58

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Solution

The fourth proportional to 28,025.21, 38,652.91 and 17,954.58 is: 24,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.21 : 38,652.91 = 17,954.58 : x
  2. Step 2: Convert to fraction form
    28,025.21/38,652.91 = 17,954.58/x
  3. Step 3: Cross multiply
    28,025.21x = 38,652.91 × 17,954.58
  4. Step 4: Simplify right side
    28,025.21x = 693,996,719.94
  5. Step 5: Solve for x
    x = 693,996,719.94/28,025.21
  6. Step 6: Final answer
    x = 24,763.30

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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.