Home / 18,878.04-28,317.60-5,027.04

Finding the Fourth Proportional to 18,878.04, 28,317.60 and 5,027.04

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Solution

The fourth proportional to 18,878.04, 28,317.60 and 5,027.04 is: 7,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.04 : 28,317.60 = 5,027.04 : x
  2. Step 2: Convert to fraction form
    18,878.04/28,317.60 = 5,027.04/x
  3. Step 3: Cross multiply
    18,878.04x = 28,317.60 × 5,027.04
  4. Step 4: Simplify right side
    18,878.04x = 142,353,707.90
  5. Step 5: Solve for x
    x = 142,353,707.90/18,878.04
  6. Step 6: Final answer
    x = 7,540.70

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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.