Home / 28,575.45-39,437.64-17,251.43

Finding the Fourth Proportional to 28,575.45, 39,437.64 and 17,251.43

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Solution

The fourth proportional to 28,575.45, 39,437.64 and 17,251.43 is: 23,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.45 : 39,437.64 = 17,251.43 : x
  2. Step 2: Convert to fraction form
    28,575.45/39,437.64 = 17,251.43/x
  3. Step 3: Cross multiply
    28,575.45x = 39,437.64 × 17,251.43
  4. Step 4: Simplify right side
    28,575.45x = 680,355,488.64
  5. Step 5: Solve for x
    x = 680,355,488.64/28,575.45
  6. Step 6: Final answer
    x = 23,809.09

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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.