Home / 28,594.62-39,459.49-15,847.47

Finding the Fourth Proportional to 28,594.62, 39,459.49 and 15,847.47

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Solution

The fourth proportional to 28,594.62, 39,459.49 and 15,847.47 is: 21,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.62 : 39,459.49 = 15,847.47 : x
  2. Step 2: Convert to fraction form
    28,594.62/39,459.49 = 15,847.47/x
  3. Step 3: Cross multiply
    28,594.62x = 39,459.49 × 15,847.47
  4. Step 4: Simplify right side
    28,594.62x = 625,333,083.99
  5. Step 5: Solve for x
    x = 625,333,083.99/28,594.62
  6. Step 6: Final answer
    x = 21,868.91

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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.