Home / 28,910.02-39,892.62-16,334.78

Finding the Fourth Proportional to 28,910.02, 39,892.62 and 16,334.78

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Solution

The fourth proportional to 28,910.02, 39,892.62 and 16,334.78 is: 22,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.02 : 39,892.62 = 16,334.78 : x
  2. Step 2: Convert to fraction form
    28,910.02/39,892.62 = 16,334.78/x
  3. Step 3: Cross multiply
    28,910.02x = 39,892.62 × 16,334.78
  4. Step 4: Simplify right side
    28,910.02x = 651,637,171.32
  5. Step 5: Solve for x
    x = 651,637,171.32/28,910.02
  6. Step 6: Final answer
    x = 22,540.18

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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.