Home / 28,725.48-39,645.24-17,396.28

Finding the Fourth Proportional to 28,725.48, 39,645.24 and 17,396.28

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Solution

The fourth proportional to 28,725.48, 39,645.24 and 17,396.28 is: 24,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.48 : 39,645.24 = 17,396.28 : x
  2. Step 2: Convert to fraction form
    28,725.48/39,645.24 = 17,396.28/x
  3. Step 3: Cross multiply
    28,725.48x = 39,645.24 × 17,396.28
  4. Step 4: Simplify right side
    28,725.48x = 689,679,695.71
  5. Step 5: Solve for x
    x = 689,679,695.71/28,725.48
  6. Step 6: Final answer
    x = 24,009.34

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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.