Home / 27,910.02-38,515.16-15,972.60

Finding the Fourth Proportional to 27,910.02, 38,515.16 and 15,972.60

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Solution

The fourth proportional to 27,910.02, 38,515.16 and 15,972.60 is: 22,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.02 : 38,515.16 = 15,972.60 : x
  2. Step 2: Convert to fraction form
    27,910.02/38,515.16 = 15,972.60/x
  3. Step 3: Cross multiply
    27,910.02x = 38,515.16 × 15,972.60
  4. Step 4: Simplify right side
    27,910.02x = 615,187,244.62
  5. Step 5: Solve for x
    x = 615,187,244.62/27,910.02
  6. Step 6: Final answer
    x = 22,041.81

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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.