Home / 28,056.62-42,030.94-17,530.78

Finding the Fourth Proportional to 28,056.62, 42,030.94 and 17,530.78

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Solution

The fourth proportional to 28,056.62, 42,030.94 and 17,530.78 is: 26,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.62 : 42,030.94 = 17,530.78 : x
  2. Step 2: Convert to fraction form
    28,056.62/42,030.94 = 17,530.78/x
  3. Step 3: Cross multiply
    28,056.62x = 42,030.94 × 17,530.78
  4. Step 4: Simplify right side
    28,056.62x = 736,834,952.18
  5. Step 5: Solve for x
    x = 736,834,952.18/28,056.62
  6. Step 6: Final answer
    x = 26,262.43

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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.