Home / 28,301.00-39,056.18-16,972.34

Finding the Fourth Proportional to 28,301.00, 39,056.18 and 16,972.34

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Solution

The fourth proportional to 28,301.00, 39,056.18 and 16,972.34 is: 23,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.00 : 39,056.18 = 16,972.34 : x
  2. Step 2: Convert to fraction form
    28,301.00/39,056.18 = 16,972.34/x
  3. Step 3: Cross multiply
    28,301.00x = 39,056.18 × 16,972.34
  4. Step 4: Simplify right side
    28,301.00x = 662,874,485.92
  5. Step 5: Solve for x
    x = 662,874,485.92/28,301.00
  6. Step 6: Final answer
    x = 23,422.30

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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.