Home / 29,428.72-40,611.60-16,853.52

Finding the Fourth Proportional to 29,428.72, 40,611.60 and 16,853.52

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Solution

The fourth proportional to 29,428.72, 40,611.60 and 16,853.52 is: 23,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.72 : 40,611.60 = 16,853.52 : x
  2. Step 2: Convert to fraction form
    29,428.72/40,611.60 = 16,853.52/x
  3. Step 3: Cross multiply
    29,428.72x = 40,611.60 × 16,853.52
  4. Step 4: Simplify right side
    29,428.72x = 684,448,412.83
  5. Step 5: Solve for x
    x = 684,448,412.83/29,428.72
  6. Step 6: Final answer
    x = 23,257.84

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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.