Home / 23,017.64-31,742.69-21,299.49

Finding the Fourth Proportional to 23,017.64, 31,742.69 and 21,299.49

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Solution

The fourth proportional to 23,017.64, 31,742.69 and 21,299.49 is: 29,373.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,017.64 : 31,742.69 = 21,299.49 : x
  2. Step 2: Convert to fraction form
    23,017.64/31,742.69 = 21,299.49/x
  3. Step 3: Cross multiply
    23,017.64x = 31,742.69 × 21,299.49
  4. Step 4: Simplify right side
    23,017.64x = 676,103,001.73
  5. Step 5: Solve for x
    x = 676,103,001.73/23,017.64
  6. Step 6: Final answer
    x = 29,373.26

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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.