Home / 27,989.37-38,607.98-16,651.19

Finding the Fourth Proportional to 27,989.37, 38,607.98 and 16,651.19

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Solution

The fourth proportional to 27,989.37, 38,607.98 and 16,651.19 is: 22,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.37 : 38,607.98 = 16,651.19 : x
  2. Step 2: Convert to fraction form
    27,989.37/38,607.98 = 16,651.19/x
  3. Step 3: Cross multiply
    27,989.37x = 38,607.98 × 16,651.19
  4. Step 4: Simplify right side
    27,989.37x = 642,868,823.76
  5. Step 5: Solve for x
    x = 642,868,823.76/27,989.37
  6. Step 6: Final answer
    x = 22,968.32

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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.