Home / 20,723.08-28,598.52-11,292.36

Finding the Fourth Proportional to 20,723.08, 28,598.52 and 11,292.36

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Solution

The fourth proportional to 20,723.08, 28,598.52 and 11,292.36 is: 15,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.08 : 28,598.52 = 11,292.36 : x
  2. Step 2: Convert to fraction form
    20,723.08/28,598.52 = 11,292.36/x
  3. Step 3: Cross multiply
    20,723.08x = 28,598.52 × 11,292.36
  4. Step 4: Simplify right side
    20,723.08x = 322,944,783.31
  5. Step 5: Solve for x
    x = 322,944,783.31/20,723.08
  6. Step 6: Final answer
    x = 15,583.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.