Home / 28,712.04-39,623.42-17,383.58

Finding the Fourth Proportional to 28,712.04, 39,623.42 and 17,383.58

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Solution

The fourth proportional to 28,712.04, 39,623.42 and 17,383.58 is: 23,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,712.04 : 39,623.42 = 17,383.58 : x
  2. Step 2: Convert to fraction form
    28,712.04/39,623.42 = 17,383.58/x
  3. Step 3: Cross multiply
    28,712.04x = 39,623.42 × 17,383.58
  4. Step 4: Simplify right side
    28,712.04x = 688,796,606.41
  5. Step 5: Solve for x
    x = 688,796,606.41/28,712.04
  6. Step 6: Final answer
    x = 23,989.82

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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.