Home / 20,746.32-28,400.87-20,598.09

Finding the Fourth Proportional to 20,746.32, 28,400.87 and 20,598.09

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Solution

The fourth proportional to 20,746.32, 28,400.87 and 20,598.09 is: 28,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.32 : 28,400.87 = 20,598.09 : x
  2. Step 2: Convert to fraction form
    20,746.32/28,400.87 = 20,598.09/x
  3. Step 3: Cross multiply
    20,746.32x = 28,400.87 × 20,598.09
  4. Step 4: Simplify right side
    20,746.32x = 585,003,727.83
  5. Step 5: Solve for x
    x = 585,003,727.83/20,746.32
  6. Step 6: Final answer
    x = 28,197.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.