Home / 28,974.47-39,973.01-17,634.87

Finding the Fourth Proportional to 28,974.47, 39,973.01 and 17,634.87

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Solution

The fourth proportional to 28,974.47, 39,973.01 and 17,634.87 is: 24,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.47 : 39,973.01 = 17,634.87 : x
  2. Step 2: Convert to fraction form
    28,974.47/39,973.01 = 17,634.87/x
  3. Step 3: Cross multiply
    28,974.47x = 39,973.01 × 17,634.87
  4. Step 4: Simplify right side
    28,974.47x = 704,918,746.68
  5. Step 5: Solve for x
    x = 704,918,746.68/28,974.47
  6. Step 6: Final answer
    x = 24,328.97

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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.