Home / 28,158.61-38,863.25-16,059.12

Finding the Fourth Proportional to 28,158.61, 38,863.25 and 16,059.12

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Solution

The fourth proportional to 28,158.61, 38,863.25 and 16,059.12 is: 22,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.61 : 38,863.25 = 16,059.12 : x
  2. Step 2: Convert to fraction form
    28,158.61/38,863.25 = 16,059.12/x
  3. Step 3: Cross multiply
    28,158.61x = 38,863.25 × 16,059.12
  4. Step 4: Simplify right side
    28,158.61x = 624,109,595.34
  5. Step 5: Solve for x
    x = 624,109,595.34/28,158.61
  6. Step 6: Final answer
    x = 22,164.08

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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.