Home / 20,924.32-28,875.46-11,364.13

Finding the Fourth Proportional to 20,924.32, 28,875.46 and 11,364.13

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Solution

The fourth proportional to 20,924.32, 28,875.46 and 11,364.13 is: 15,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.32 : 28,875.46 = 11,364.13 : x
  2. Step 2: Convert to fraction form
    20,924.32/28,875.46 = 11,364.13/x
  3. Step 3: Cross multiply
    20,924.32x = 28,875.46 × 11,364.13
  4. Step 4: Simplify right side
    20,924.32x = 328,144,481.25
  5. Step 5: Solve for x
    x = 328,144,481.25/20,924.32
  6. Step 6: Final answer
    x = 15,682.44

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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.