Home / 20,417.60-30,626.54-5,627.32

Finding the Fourth Proportional to 20,417.60, 30,626.54 and 5,627.32

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Solution

The fourth proportional to 20,417.60, 30,626.54 and 5,627.32 is: 8,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417.60 : 30,626.54 = 5,627.32 : x
  2. Step 2: Convert to fraction form
    20,417.60/30,626.54 = 5,627.32/x
  3. Step 3: Cross multiply
    20,417.60x = 30,626.54 × 5,627.32
  4. Step 4: Simplify right side
    20,417.60x = 172,345,341.07
  5. Step 5: Solve for x
    x = 172,345,341.07/20,417.60
  6. Step 6: Final answer
    x = 8,441.02

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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.