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Finding the Fourth Proportional to 22,547.40, 33,826.90 and 13,195.32

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Solution

The fourth proportional to 22,547.40, 33,826.90 and 13,195.32 is: 19,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,547.40 : 33,826.90 = 13,195.32 : x
  2. Step 2: Convert to fraction form
    22,547.40/33,826.90 = 13,195.32/x
  3. Step 3: Cross multiply
    22,547.40x = 33,826.90 × 13,195.32
  4. Step 4: Simplify right side
    22,547.40x = 446,356,770.11
  5. Step 5: Solve for x
    x = 446,356,770.11/22,547.40
  6. Step 6: Final answer
    x = 19,796.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.