Home / 28,904.04-39,892.14-17,577.09

Finding the Fourth Proportional to 28,904.04, 39,892.14 and 17,577.09

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Solution

The fourth proportional to 28,904.04, 39,892.14 and 17,577.09 is: 24,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.04 : 39,892.14 = 17,577.09 : x
  2. Step 2: Convert to fraction form
    28,904.04/39,892.14 = 17,577.09/x
  3. Step 3: Cross multiply
    28,904.04x = 39,892.14 × 17,577.09
  4. Step 4: Simplify right side
    28,904.04x = 701,187,735.07
  5. Step 5: Solve for x
    x = 701,187,735.07/28,904.04
  6. Step 6: Final answer
    x = 24,259.16

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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.