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Finding the Fourth Proportional to 22,357.80, 33,526.80 and 7,562.70

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Solution

The fourth proportional to 22,357.80, 33,526.80 and 7,562.70 is: 11,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.80 : 33,526.80 = 7,562.70 : x
  2. Step 2: Convert to fraction form
    22,357.80/33,526.80 = 7,562.70/x
  3. Step 3: Cross multiply
    22,357.80x = 33,526.80 × 7,562.70
  4. Step 4: Simplify right side
    22,357.80x = 253,553,130.36
  5. Step 5: Solve for x
    x = 253,553,130.36/22,357.80
  6. Step 6: Final answer
    x = 11,340.70

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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.