Home / 28,966.11-39,977.00-16,224.16

Finding the Fourth Proportional to 28,966.11, 39,977.00 and 16,224.16

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Solution

The fourth proportional to 28,966.11, 39,977.00 and 16,224.16 is: 22,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.11 : 39,977.00 = 16,224.16 : x
  2. Step 2: Convert to fraction form
    28,966.11/39,977.00 = 16,224.16/x
  3. Step 3: Cross multiply
    28,966.11x = 39,977.00 × 16,224.16
  4. Step 4: Simplify right side
    28,966.11x = 648,593,124.10
  5. Step 5: Solve for x
    x = 648,593,124.10/28,966.11
  6. Step 6: Final answer
    x = 22,391.45

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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.