Home / 20,235.90-27,924.48-11,283.22

Finding the Fourth Proportional to 20,235.90, 27,924.48 and 11,283.22

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Solution

The fourth proportional to 20,235.90, 27,924.48 and 11,283.22 is: 15,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.90 : 27,924.48 = 11,283.22 : x
  2. Step 2: Convert to fraction form
    20,235.90/27,924.48 = 11,283.22/x
  3. Step 3: Cross multiply
    20,235.90x = 27,924.48 × 11,283.22
  4. Step 4: Simplify right side
    20,235.90x = 315,077,981.41
  5. Step 5: Solve for x
    x = 315,077,981.41/20,235.90
  6. Step 6: Final answer
    x = 15,570.25

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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.