Home / 28,039.09-38,684.17-17,973.08

Finding the Fourth Proportional to 28,039.09, 38,684.17 and 17,973.08

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Solution

The fourth proportional to 28,039.09, 38,684.17 and 17,973.08 is: 24,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039.09 : 38,684.17 = 17,973.08 : x
  2. Step 2: Convert to fraction form
    28,039.09/38,684.17 = 17,973.08/x
  3. Step 3: Cross multiply
    28,039.09x = 38,684.17 × 17,973.08
  4. Step 4: Simplify right side
    28,039.09x = 695,273,633.79
  5. Step 5: Solve for x
    x = 695,273,633.79/28,039.09
  6. Step 6: Final answer
    x = 24,796.59

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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.