Home / 28,388.48-39,179.20-17,210.24

Finding the Fourth Proportional to 28,388.48, 39,179.20 and 17,210.24

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Solution

The fourth proportional to 28,388.48, 39,179.20 and 17,210.24 is: 23,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388.48 : 39,179.20 = 17,210.24 : x
  2. Step 2: Convert to fraction form
    28,388.48/39,179.20 = 17,210.24/x
  3. Step 3: Cross multiply
    28,388.48x = 39,179.20 × 17,210.24
  4. Step 4: Simplify right side
    28,388.48x = 674,283,435.01
  5. Step 5: Solve for x
    x = 674,283,435.01/28,388.48
  6. Step 6: Final answer
    x = 23,752.01

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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.