Home / 28,181.60-42,272.82-13,392.04

Finding the Fourth Proportional to 28,181.60, 42,272.82 and 13,392.04

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Solution

The fourth proportional to 28,181.60, 42,272.82 and 13,392.04 is: 20,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.60 : 42,272.82 = 13,392.04 : x
  2. Step 2: Convert to fraction form
    28,181.60/42,272.82 = 13,392.04/x
  3. Step 3: Cross multiply
    28,181.60x = 42,272.82 × 13,392.04
  4. Step 4: Simplify right side
    28,181.60x = 566,119,296.35
  5. Step 5: Solve for x
    x = 566,119,296.35/28,181.60
  6. Step 6: Final answer
    x = 20,088.26

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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.