Home / 20,233.16-27,922.56-16,870.34

Finding the Fourth Proportional to 20,233.16, 27,922.56 and 16,870.34

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Solution

The fourth proportional to 20,233.16, 27,922.56 and 16,870.34 is: 23,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.16 : 27,922.56 = 16,870.34 : x
  2. Step 2: Convert to fraction form
    20,233.16/27,922.56 = 16,870.34/x
  3. Step 3: Cross multiply
    20,233.16x = 27,922.56 × 16,870.34
  4. Step 4: Simplify right side
    20,233.16x = 471,063,080.87
  5. Step 5: Solve for x
    x = 471,063,080.87/20,233.16
  6. Step 6: Final answer
    x = 23,281.74

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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.