Home / 28,124.20-42,171.72-14,069.08

Finding the Fourth Proportional to 28,124.20, 42,171.72 and 14,069.08

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Solution

The fourth proportional to 28,124.20, 42,171.72 and 14,069.08 is: 21,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124.20 : 42,171.72 = 14,069.08 : x
  2. Step 2: Convert to fraction form
    28,124.20/42,171.72 = 14,069.08/x
  3. Step 3: Cross multiply
    28,124.20x = 42,171.72 × 14,069.08
  4. Step 4: Simplify right side
    28,124.20x = 593,317,302.42
  5. Step 5: Solve for x
    x = 593,317,302.42/28,124.20
  6. Step 6: Final answer
    x = 21,096.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.